Finding the Fourth Proportional to 99,653.46, 137,443.98 and 63,846.81

Step by Step Solution

1. Step 1: Write the proportion equation
   99,653.46 : 137,443.98 = 63,846.81 : x
2. Step 2: Convert to fraction form
   99,653.46/137,443.98 = 63,846.81/x
3. Step 3: Cross multiply
   99,653.46x = 137,443.98 × 63,846.81
4. Step 4: Simplify right side
   99,653.46x = 8,775,359,676.70
5. Step 5: Solve for x
   x = 8,775,359,676.70/99,653.46
6. Step 6: Final answer
   x = 88,058.76