Finding the Fourth Proportional to 16,901.47, 23,326.86 and 10,188.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,901.47 : 23,326.86 = 10,188.12 : x
2. Step 2: Convert to fraction form
   16,901.47/23,326.86 = 10,188.12/x
3. Step 3: Cross multiply
   16,901.47x = 23,326.86 × 10,188.12
4. Step 4: Simplify right side
   16,901.47x = 237,656,848.90
5. Step 5: Solve for x
   x = 237,656,848.90/16,901.47
6. Step 6: Final answer
   x = 14,061.31