Finding the Fourth Proportional to 16,925.78, 23,360.02 and 9,856.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,925.78 : 23,360.02 = 9,856.10 : x
2. Step 2: Convert to fraction form
   16,925.78/23,360.02 = 9,856.10/x
3. Step 3: Cross multiply
   16,925.78x = 23,360.02 × 9,856.10
4. Step 4: Simplify right side
   16,925.78x = 230,238,693.12
5. Step 5: Solve for x
   x = 230,238,693.12/16,925.78
6. Step 6: Final answer
   x = 13,602.84