Finding the Fourth Proportional to 62,200.68, 85,769.18 and 42,022.52

Step by Step Solution

1. Step 1: Write the proportion equation
   62,200.68 : 85,769.18 = 42,022.52 : x
2. Step 2: Convert to fraction form
   62,200.68/85,769.18 = 42,022.52/x
3. Step 3: Cross multiply
   62,200.68x = 85,769.18 × 42,022.52
4. Step 4: Simplify right side
   62,200.68x = 3,604,237,081.93
5. Step 5: Solve for x
   x = 3,604,237,081.93/62,200.68
6. Step 6: Final answer
   x = 57,945.30