Finding the Fourth Proportional to 22,948.83, 31,666.82 and 12,875.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,948.83 : 31,666.82 = 12,875.18 : x
2. Step 2: Convert to fraction form
   22,948.83/31,666.82 = 12,875.18/x
3. Step 3: Cross multiply
   22,948.83x = 31,666.82 × 12,875.18
4. Step 4: Simplify right side
   22,948.83x = 407,715,784.82
5. Step 5: Solve for x
   x = 407,715,784.82/22,948.83
6. Step 6: Final answer
   x = 17,766.30