Finding the Fourth Proportional to 82,941.60, 124,223.04 and 65,131.68

Step by Step Solution

1. Step 1: Write the proportion equation
   82,941.60 : 124,223.04 = 65,131.68 : x
2. Step 2: Convert to fraction form
   82,941.60/124,223.04 = 65,131.68/x
3. Step 3: Cross multiply
   82,941.60x = 124,223.04 × 65,131.68
4. Step 4: Simplify right side
   82,941.60x = 8,090,855,289.91
5. Step 5: Solve for x
   x = 8,090,855,289.91/82,941.60
6. Step 6: Final answer
   x = 97,548.82