Finding the Fourth Proportional to 22,885.86, 31,557.51 and 19,875.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,885.86 : 31,557.51 = 19,875.12 : x
2. Step 2: Convert to fraction form
   22,885.86/31,557.51 = 19,875.12/x
3. Step 3: Cross multiply
   22,885.86x = 31,557.51 × 19,875.12
4. Step 4: Simplify right side
   22,885.86x = 627,209,298.15
5. Step 5: Solve for x
   x = 627,209,298.15/22,885.86
6. Step 6: Final answer
   x = 27,405.97