Finding the Fourth Proportional to 99,592.72, 137,434.47 and 55,983.94

Step by Step Solution

1. Step 1: Write the proportion equation
   99,592.72 : 137,434.47 = 55,983.94 : x
2. Step 2: Convert to fraction form
   99,592.72/137,434.47 = 55,983.94/x
3. Step 3: Cross multiply
   99,592.72x = 137,434.47 × 55,983.94
4. Step 4: Simplify right side
   99,592.72x = 7,694,123,466.00
5. Step 5: Solve for x
   x = 7,694,123,466.00/99,592.72
6. Step 6: Final answer
   x = 77,255.88