Finding the Fourth Proportional to 113,749.88, 156,890.22 and 83,525.72

Step by Step Solution

1. Step 1: Write the proportion equation
   113,749.88 : 156,890.22 = 83,525.72 : x
2. Step 2: Convert to fraction form
   113,749.88/156,890.22 = 83,525.72/x
3. Step 3: Cross multiply
   113,749.88x = 156,890.22 × 83,525.72
4. Step 4: Simplify right side
   113,749.88x = 13,104,368,586.46
5. Step 5: Solve for x
   x = 13,104,368,586.46/113,749.88
6. Step 6: Final answer
   x = 115,203.36