Finding the Fourth Proportional to 37,941,243.50, 52,366,009.20 and 21,643,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,941,243.50 : 52,366,009.20 = 21,643,719.50 : x
2. Step 2: Convert to fraction form
   37,941,243.50/52,366,009.20 = 21,643,719.50/x
3. Step 3: Cross multiply
   37,941,243.50x = 52,366,009.20 × 21,643,719.50
4. Step 4: Simplify right side
   37,941,243.50x = 1,133,395,214,459,219.50
5. Step 5: Solve for x
   x = 1,133,395,214,459,219.50/37,941,243.50
6. Step 6: Final answer
   x = 29,872,379.23