Finding the Fourth Proportional to 158,492.83, 218,742.50 and 98,082.91

Step by Step Solution

1. Step 1: Write the proportion equation
   158,492.83 : 218,742.50 = 98,082.91 : x
2. Step 2: Convert to fraction form
   158,492.83/218,742.50 = 98,082.91/x
3. Step 3: Cross multiply
   158,492.83x = 218,742.50 × 98,082.91
4. Step 4: Simplify right side
   158,492.83x = 21,454,899,356.55
5. Step 5: Solve for x
   x = 21,454,899,356.55/158,492.83
6. Step 6: Final answer
   x = 135,368.27