Finding the Fourth Proportional to 57,061.26, 78,775.56 and 34,404.30

Step by Step Solution

1. Step 1: Write the proportion equation
   57,061.26 : 78,775.56 = 34,404.30 : x
2. Step 2: Convert to fraction form
   57,061.26/78,775.56 = 34,404.30/x
3. Step 3: Cross multiply
   57,061.26x = 78,775.56 × 34,404.30
4. Step 4: Simplify right side
   57,061.26x = 2,710,217,998.91
5. Step 5: Solve for x
   x = 2,710,217,998.91/57,061.26
6. Step 6: Final answer
   x = 47,496.64