Finding the Fourth Proportional to 99,729.72, 137,886.30 and 95,323.32

Step by Step Solution

1. Step 1: Write the proportion equation
   99,729.72 : 137,886.30 = 95,323.32 : x
2. Step 2: Convert to fraction form
   99,729.72/137,886.30 = 95,323.32/x
3. Step 3: Cross multiply
   99,729.72x = 137,886.30 × 95,323.32
4. Step 4: Simplify right side
   99,729.72x = 13,143,779,898.52
5. Step 5: Solve for x
   x = 13,143,779,898.52/99,729.72
6. Step 6: Final answer
   x = 131,794.01