Finding the Fourth Proportional to 99,097, 136,753.86 and 54,387.88

Step by Step Solution

1. Step 1: Write the proportion equation
   99,097 : 136,753.86 = 54,387.88 : x
2. Step 2: Convert to fraction form
   99,097/136,753.86 = 54,387.88/x
3. Step 3: Cross multiply
   99,097x = 136,753.86 × 54,387.88
4. Step 4: Simplify right side
   99,097x = 7,437,752,527.22
5. Step 5: Solve for x
   x = 7,437,752,527.22/99,097
6. Step 6: Final answer
   x = 75,055.27