Finding the Fourth Proportional to 42,915,005.40, 59,378,659 and 37,419,831.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,915,005.40 : 59,378,659 = 37,419,831.20 : x
2. Step 2: Convert to fraction form
   42,915,005.40/59,378,659 = 37,419,831.20/x
3. Step 3: Cross multiply
   42,915,005.40x = 59,378,659 × 37,419,831.20
4. Step 4: Simplify right side
   42,915,005.40x = 2,221,939,396,662,361
5. Step 5: Solve for x
   x = 2,221,939,396,662,361/42,915,005.40
6. Step 6: Final answer
   x = 51,775,349.34