Finding the Fourth Proportional to 99,754, 137,663.40 and 55,044.88

Step by Step Solution

1. Step 1: Write the proportion equation
   99,754 : 137,663.40 = 55,044.88 : x
2. Step 2: Convert to fraction form
   99,754/137,663.40 = 55,044.88/x
3. Step 3: Cross multiply
   99,754x = 137,663.40 × 55,044.88
4. Step 4: Simplify right side
   99,754x = 7,577,665,333.39
5. Step 5: Solve for x
   x = 7,577,665,333.39/99,754
6. Step 6: Final answer
   x = 75,963.52