Finding the Fourth Proportional to 68,877.96, 95,034.06 and 42,018.72

Step by Step Solution

1. Step 1: Write the proportion equation
   68,877.96 : 95,034.06 = 42,018.72 : x
2. Step 2: Convert to fraction form
   68,877.96/95,034.06 = 42,018.72/x
3. Step 3: Cross multiply
   68,877.96x = 95,034.06 × 42,018.72
4. Step 4: Simplify right side
   68,877.96x = 3,993,209,557.60
5. Step 5: Solve for x
   x = 3,993,209,557.60/68,877.96
6. Step 6: Final answer
   x = 57,975.14