Finding the Fourth Proportional to 57,061.06, 78,748.41 and 31,918.66

Step by Step Solution

1. Step 1: Write the proportion equation
   57,061.06 : 78,748.41 = 31,918.66 : x
2. Step 2: Convert to fraction form
   57,061.06/78,748.41 = 31,918.66/x
3. Step 3: Cross multiply
   57,061.06x = 78,748.41 × 31,918.66
4. Step 4: Simplify right side
   57,061.06x = 2,513,543,724.33
5. Step 5: Solve for x
   x = 2,513,543,724.33/57,061.06
6. Step 6: Final answer
   x = 44,050.07