Finding the Fourth Proportional to 42,442,960.59, 63,664,361.48 and 13,299,030.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,442,960.59 : 63,664,361.48 = 13,299,030.72 : x
2. Step 2: Convert to fraction form
   42,442,960.59/63,664,361.48 = 13,299,030.72/x
3. Step 3: Cross multiply
   42,442,960.59x = 63,664,361.48 × 13,299,030.72
4. Step 4: Simplify right side
   42,442,960.59x = 846,674,298,706,887.75
5. Step 5: Solve for x
   x = 846,674,298,706,887.75/42,442,960.59
6. Step 6: Final answer
   x = 19,948,521.19