Finding the Fourth Proportional to 23,111.52, 31,875.76 and 19,930.08

Step by Step Solution

1. Step 1: Write the proportion equation
   23,111.52 : 31,875.76 = 19,930.08 : x
2. Step 2: Convert to fraction form
   23,111.52/31,875.76 = 19,930.08/x
3. Step 3: Cross multiply
   23,111.52x = 31,875.76 × 19,930.08
4. Step 4: Simplify right side
   23,111.52x = 635,286,446.86
5. Step 5: Solve for x
   x = 635,286,446.86/23,111.52
6. Step 6: Final answer
   x = 27,487.87