Finding the Fourth Proportional to 71,571.88, 107,380.52 and 55,830.88

Step by Step Solution

1. Step 1: Write the proportion equation
   71,571.88 : 107,380.52 = 55,830.88 : x
2. Step 2: Convert to fraction form
   71,571.88/107,380.52 = 55,830.88/x
3. Step 3: Cross multiply
   71,571.88x = 107,380.52 × 55,830.88
4. Step 4: Simplify right side
   71,571.88x = 5,995,148,926.46
5. Step 5: Solve for x
   x = 5,995,148,926.46/71,571.88
6. Step 6: Final answer
   x = 83,764.03