Finding the Fourth Proportional to 31,070.58, 42,876.72 and 17,641.59

Step by Step Solution

1. Step 1: Write the proportion equation
   31,070.58 : 42,876.72 = 17,641.59 : x
2. Step 2: Convert to fraction form
   31,070.58/42,876.72 = 17,641.59/x
3. Step 3: Cross multiply
   31,070.58x = 42,876.72 × 17,641.59
4. Step 4: Simplify right side
   31,070.58x = 756,413,514.78
5. Step 5: Solve for x
   x = 756,413,514.78/31,070.58
6. Step 6: Final answer
   x = 24,345.01