Finding the Fourth Proportional to 83,085.49, 124,601.58 and 35,687.74

Step by Step Solution

1. Step 1: Write the proportion equation
   83,085.49 : 124,601.58 = 35,687.74 : x
2. Step 2: Convert to fraction form
   83,085.49/124,601.58 = 35,687.74/x
3. Step 3: Cross multiply
   83,085.49x = 124,601.58 × 35,687.74
4. Step 4: Simplify right side
   83,085.49x = 4,446,748,790.63
5. Step 5: Solve for x
   x = 4,446,748,790.63/83,085.49
6. Step 6: Final answer
   x = 53,520.16