Finding the Fourth Proportional to 83,686.12, 115,492.50 and 45,960.76

Step by Step Solution

1. Step 1: Write the proportion equation
   83,686.12 : 115,492.50 = 45,960.76 : x
2. Step 2: Convert to fraction form
   83,686.12/115,492.50 = 45,960.76/x
3. Step 3: Cross multiply
   83,686.12x = 115,492.50 × 45,960.76
4. Step 4: Simplify right side
   83,686.12x = 5,308,123,074.30
5. Step 5: Solve for x
   x = 5,308,123,074.30/83,686.12
6. Step 6: Final answer
   x = 63,428.95