Finding the Fourth Proportional to 108,537.52, 149,779.92 and 60,790.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,537.52 : 149,779.92 = 60,790.72 : x
2. Step 2: Convert to fraction form
   108,537.52/149,779.92 = 60,790.72/x
3. Step 3: Cross multiply
   108,537.52x = 149,779.92 × 60,790.72
4. Step 4: Simplify right side
   108,537.52x = 9,105,229,178.34
5. Step 5: Solve for x
   x = 9,105,229,178.34/108,537.52
6. Step 6: Final answer
   x = 83,890.15