Finding the Fourth Proportional to 37,442,201,499.60, 56,171,616,348.60 and 12,598,161,435.60

Step by Step Solution

1. Step 1: Write the proportion equation
   37,442,201,499.60 : 56,171,616,348.60 = 12,598,161,435.60 : x
2. Step 2: Convert to fraction form
   37,442,201,499.60/56,171,616,348.60 = 12,598,161,435.60/x
3. Step 3: Cross multiply
   37,442,201,499.60x = 56,171,616,348.60 × 12,598,161,435.60
4. Step 4: Simplify right side
   37,442,201,499.60x = 707,659,090,858,250,993,664
5. Step 5: Solve for x
   x = 707,659,090,858,250,993,664/37,442,201,499.60
6. Step 6: Final answer
   x = 18,900,039,594.78