Finding the Fourth Proportional to 52,921.86, 79,377.90 and 17,861.82

Step by Step Solution

1. Step 1: Write the proportion equation
   52,921.86 : 79,377.90 = 17,861.82 : x
2. Step 2: Convert to fraction form
   52,921.86/79,377.90 = 17,861.82/x
3. Step 3: Cross multiply
   52,921.86x = 79,377.90 × 17,861.82
4. Step 4: Simplify right side
   52,921.86x = 1,417,833,761.78
5. Step 5: Solve for x
   x = 1,417,833,761.78/52,921.86
6. Step 6: Final answer
   x = 26,791.08