Finding the Fourth Proportional to 156,150.84, 234,082.72 and 56,286.60

Step by Step Solution

1. Step 1: Write the proportion equation
   156,150.84 : 234,082.72 = 56,286.60 : x
2. Step 2: Convert to fraction form
   156,150.84/234,082.72 = 56,286.60/x
3. Step 3: Cross multiply
   156,150.84x = 234,082.72 × 56,286.60
4. Step 4: Simplify right side
   156,150.84x = 13,175,720,427.55
5. Step 5: Solve for x
   x = 13,175,720,427.55/156,150.84
6. Step 6: Final answer
   x = 84,378.16