Finding the Fourth Proportional to 62,290.48, 93,379.56 and 42,306.76

Step by Step Solution

1. Step 1: Write the proportion equation
   62,290.48 : 93,379.56 = 42,306.76 : x
2. Step 2: Convert to fraction form
   62,290.48/93,379.56 = 42,306.76/x
3. Step 3: Cross multiply
   62,290.48x = 93,379.56 × 42,306.76
4. Step 4: Simplify right side
   62,290.48x = 3,950,586,633.83
5. Step 5: Solve for x
   x = 3,950,586,633.83/62,290.48
6. Step 6: Final answer
   x = 63,422.00