Finding the Fourth Proportional to 68,008.95, 93,789.59 and 42,507.18

Step by Step Solution

1. Step 1: Write the proportion equation
   68,008.95 : 93,789.59 = 42,507.18 : x
2. Step 2: Convert to fraction form
   68,008.95/93,789.59 = 42,507.18/x
3. Step 3: Cross multiply
   68,008.95x = 93,789.59 × 42,507.18
4. Step 4: Simplify right side
   68,008.95x = 3,986,730,771.72
5. Step 5: Solve for x
   x = 3,986,730,771.72/68,008.95
6. Step 6: Final answer
   x = 58,620.68