Finding the Fourth Proportional to 62,269.04, 85,830.89 and 42,118.57

Step by Step Solution

1. Step 1: Write the proportion equation
   62,269.04 : 85,830.89 = 42,118.57 : x
2. Step 2: Convert to fraction form
   62,269.04/85,830.89 = 42,118.57/x
3. Step 3: Cross multiply
   62,269.04x = 85,830.89 × 42,118.57
4. Step 4: Simplify right side
   62,269.04x = 3,615,073,923.46
5. Step 5: Solve for x
   x = 3,615,073,923.46/62,269.04
6. Step 6: Final answer
   x = 58,055.72