Finding the Fourth Proportional to 99,817.46, 137,715.04 and 65,842.82

Step by Step Solution

1. Step 1: Write the proportion equation
   99,817.46 : 137,715.04 = 65,842.82 : x
2. Step 2: Convert to fraction form
   99,817.46/137,715.04 = 65,842.82/x
3. Step 3: Cross multiply
   99,817.46x = 137,715.04 × 65,842.82
4. Step 4: Simplify right side
   99,817.46x = 9,067,546,590.01
5. Step 5: Solve for x
   x = 9,067,546,590.01/99,817.46
6. Step 6: Final answer
   x = 90,841.29