Finding the Fourth Proportional to 52,100.82, 71,891.01 and 30,876.66

Step by Step Solution

1. Step 1: Write the proportion equation
   52,100.82 : 71,891.01 = 30,876.66 : x
2. Step 2: Convert to fraction form
   52,100.82/71,891.01 = 30,876.66/x
3. Step 3: Cross multiply
   52,100.82x = 71,891.01 × 30,876.66
4. Step 4: Simplify right side
   52,100.82x = 2,219,754,272.83
5. Step 5: Solve for x
   x = 2,219,754,272.83/52,100.82
6. Step 6: Final answer
   x = 42,604.98