Finding the Fourth Proportional to 71,798.90, 107,463.56 and 52,818.48

Step by Step Solution

1. Step 1: Write the proportion equation
   71,798.90 : 107,463.56 = 52,818.48 : x
2. Step 2: Convert to fraction form
   71,798.90/107,463.56 = 52,818.48/x
3. Step 3: Cross multiply
   71,798.90x = 107,463.56 × 52,818.48
4. Step 4: Simplify right side
   71,798.90x = 5,676,061,630.50
5. Step 5: Solve for x
   x = 5,676,061,630.50/71,798.90
6. Step 6: Final answer
   x = 79,055.00