Finding the Fourth Proportional to 287,158.55, 430,784.46 and 97,635.83

Step by Step Solution

1. Step 1: Write the proportion equation
   287,158.55 : 430,784.46 = 97,635.83 : x
2. Step 2: Convert to fraction form
   287,158.55/430,784.46 = 97,635.83/x
3. Step 3: Cross multiply
   287,158.55x = 430,784.46 × 97,635.83
4. Step 4: Simplify right side
   287,158.55x = 42,059,996,149.28
5. Step 5: Solve for x
   x = 42,059,996,149.28/287,158.55
6. Step 6: Final answer
   x = 146,469.60