Finding the Fourth Proportional to 68,913.99, 95,111.72 and 42,072.15

Step by Step Solution

1. Step 1: Write the proportion equation
   68,913.99 : 95,111.72 = 42,072.15 : x
2. Step 2: Convert to fraction form
   68,913.99/95,111.72 = 42,072.15/x
3. Step 3: Cross multiply
   68,913.99x = 95,111.72 × 42,072.15
4. Step 4: Simplify right side
   68,913.99x = 4,001,554,340.24
5. Step 5: Solve for x
   x = 4,001,554,340.24/68,913.99
6. Step 6: Final answer
   x = 58,065.92