Finding the Fourth Proportional to 99,836.52, 137,774.36 and 55,124.52

Step by Step Solution

1. Step 1: Write the proportion equation
   99,836.52 : 137,774.36 = 55,124.52 : x
2. Step 2: Convert to fraction form
   99,836.52/137,774.36 = 55,124.52/x
3. Step 3: Cross multiply
   99,836.52x = 137,774.36 × 55,124.52
4. Step 4: Simplify right side
   99,836.52x = 7,594,745,463.31
5. Step 5: Solve for x
   x = 7,594,745,463.31/99,836.52
6. Step 6: Final answer
   x = 76,071.82