Finding the Fourth Proportional to 71,799.15, 107,463.93 and 52,818.72

Step by Step Solution

1. Step 1: Write the proportion equation
   71,799.15 : 107,463.93 = 52,818.72 : x
2. Step 2: Convert to fraction form
   71,799.15/107,463.93 = 52,818.72/x
3. Step 3: Cross multiply
   71,799.15x = 107,463.93 × 52,818.72
4. Step 4: Simplify right side
   71,799.15x = 5,676,107,228.77
5. Step 5: Solve for x
   x = 5,676,107,228.77/71,799.15
6. Step 6: Final answer
   x = 79,055.35