Finding the Fourth Proportional to 65,787.29, 98,524.25 and 42,021.18

Step by Step Solution

1. Step 1: Write the proportion equation
   65,787.29 : 98,524.25 = 42,021.18 : x
2. Step 2: Convert to fraction form
   65,787.29/98,524.25 = 42,021.18/x
3. Step 3: Cross multiply
   65,787.29x = 98,524.25 × 42,021.18
4. Step 4: Simplify right side
   65,787.29x = 4,140,105,191.09
5. Step 5: Solve for x
   x = 4,140,105,191.09/65,787.29
6. Step 6: Final answer
   x = 62,931.69