Finding the Fourth Proportional to 31,181.31, 43,030.19 and 16,841.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,181.31 : 43,030.19 = 16,841.15 : x
2. Step 2: Convert to fraction form
   31,181.31/43,030.19 = 16,841.15/x
3. Step 3: Cross multiply
   31,181.31x = 43,030.19 × 16,841.15
4. Step 4: Simplify right side
   31,181.31x = 724,677,669.17
5. Step 5: Solve for x
   x = 724,677,669.17/31,181.31
6. Step 6: Final answer
   x = 23,240.77