Finding the Fourth Proportional to 162,870.17, 224,773.28 and 102,492.56

Step by Step Solution

1. Step 1: Write the proportion equation
   162,870.17 : 224,773.28 = 102,492.56 : x
2. Step 2: Convert to fraction form
   162,870.17/224,773.28 = 102,492.56/x
3. Step 3: Cross multiply
   162,870.17x = 224,773.28 × 102,492.56
4. Step 4: Simplify right side
   162,870.17x = 23,037,589,320.61
5. Step 5: Solve for x
   x = 23,037,589,320.61/162,870.17
6. Step 6: Final answer
   x = 141,447.57