Finding the Fourth Proportional to 57,066.94, 78,754.69 and 31,572.86

Step by Step Solution

1. Step 1: Write the proportion equation
   57,066.94 : 78,754.69 = 31,572.86 : x
2. Step 2: Convert to fraction form
   57,066.94/78,754.69 = 31,572.86/x
3. Step 3: Cross multiply
   57,066.94x = 78,754.69 × 31,572.86
4. Step 4: Simplify right side
   57,066.94x = 2,486,510,801.71
5. Step 5: Solve for x
   x = 2,486,510,801.71/57,066.94
6. Step 6: Final answer
   x = 43,571.83