Finding the Fourth Proportional to 57,538,359.71, 79,404,106.91 and 31,434,568.28

Step by Step Solution

1. Step 1: Write the proportion equation
   57,538,359.71 : 79,404,106.91 = 31,434,568.28 : x
2. Step 2: Convert to fraction form
   57,538,359.71/79,404,106.91 = 31,434,568.28/x
3. Step 3: Cross multiply
   57,538,359.71x = 79,404,106.91 × 31,434,568.28
4. Step 4: Simplify right side
   57,538,359.71x = 2,496,033,820,374,815
5. Step 5: Solve for x
   x = 2,496,033,820,374,815/57,538,359.71
6. Step 6: Final answer
   x = 43,380,343.70