Finding the Fourth Proportional to 57,170,959.59, 78,896,397.15 and 31,065,477.42

Step by Step Solution

1. Step 1: Write the proportion equation
   57,170,959.59 : 78,896,397.15 = 31,065,477.42 : x
2. Step 2: Convert to fraction form
   57,170,959.59/78,896,397.15 = 31,065,477.42/x
3. Step 3: Cross multiply
   57,170,959.59x = 78,896,397.15 × 31,065,477.42
4. Step 4: Simplify right side
   57,170,959.59x = 2,450,954,244,478,539
5. Step 5: Solve for x
   x = 2,450,954,244,478,539/57,170,959.59
6. Step 6: Final answer
   x = 42,870,615.81