Finding the Fourth Proportional to 99,753, 137,662.02 and 55,043.88

Step by Step Solution

1. Step 1: Write the proportion equation
   99,753 : 137,662.02 = 55,043.88 : x
2. Step 2: Convert to fraction form
   99,753/137,662.02 = 55,043.88/x
3. Step 3: Cross multiply
   99,753x = 137,662.02 × 55,043.88
4. Step 4: Simplify right side
   99,753x = 7,577,451,709.44
5. Step 5: Solve for x
   x = 7,577,451,709.44/99,753
6. Step 6: Final answer
   x = 75,962.14