Finding the Fourth Proportional to 42,753,879.97, 59,049,387.30 and 28,134,810.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,753,879.97 : 59,049,387.30 = 28,134,810.12 : x
2. Step 2: Convert to fraction form
   42,753,879.97/59,049,387.30 = 28,134,810.12/x
3. Step 3: Cross multiply
   42,753,879.97x = 59,049,387.30 × 28,134,810.12
4. Step 4: Simplify right side
   42,753,879.97x = 1,661,343,299,387,839.50
5. Step 5: Solve for x
   x = 1,661,343,299,387,839.50/42,753,879.97
6. Step 6: Final answer
   x = 38,858,304.80