Finding the Fourth Proportional to 42,738,698.88, 59,057,618.88 and 31,116,089.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,738,698.88 : 59,057,618.88 = 31,116,089.28 : x
2. Step 2: Convert to fraction form
   42,738,698.88/59,057,618.88 = 31,116,089.28/x
3. Step 3: Cross multiply
   42,738,698.88x = 59,057,618.88 × 31,116,089.28
4. Step 4: Simplify right side
   42,738,698.88x = 1,837,642,141,734,293.75
5. Step 5: Solve for x
   x = 1,837,642,141,734,293.75/42,738,698.88
6. Step 6: Final answer
   x = 42,997,147.55