Finding the Fourth Proportional to 22,875.40, 31,566.52 and 12,802.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,875.40 : 31,566.52 = 12,802.12 : x
2. Step 2: Convert to fraction form
   22,875.40/31,566.52 = 12,802.12/x
3. Step 3: Cross multiply
   22,875.40x = 31,566.52 × 12,802.12
4. Step 4: Simplify right side
   22,875.40x = 404,118,377.02
5. Step 5: Solve for x
   x = 404,118,377.02/22,875.40
6. Step 6: Final answer
   x = 17,666.07