Finding the Fourth Proportional to 62,298.12, 85,938.72 and 42,161.82

Step by Step Solution

1. Step 1: Write the proportion equation
   62,298.12 : 85,938.72 = 42,161.82 : x
2. Step 2: Convert to fraction form
   62,298.12/85,938.72 = 42,161.82/x
3. Step 3: Cross multiply
   62,298.12x = 85,938.72 × 42,161.82
4. Step 4: Simplify right side
   62,298.12x = 3,623,332,843.67
5. Step 5: Solve for x
   x = 3,623,332,843.67/62,298.12
6. Step 6: Final answer
   x = 58,161.19