Finding the Fourth Proportional to 112,983.29, 156,123.25 and 82,302.99

Step by Step Solution

1. Step 1: Write the proportion equation
   112,983.29 : 156,123.25 = 82,302.99 : x
2. Step 2: Convert to fraction form
   112,983.29/156,123.25 = 82,302.99/x
3. Step 3: Cross multiply
   112,983.29x = 156,123.25 × 82,302.99
4. Step 4: Simplify right side
   112,983.29x = 12,849,409,492.30
5. Step 5: Solve for x
   x = 12,849,409,492.30/112,983.29
6. Step 6: Final answer
   x = 113,728.41