Finding the Fourth Proportional to 10,807.06, 16,188.72 and 8,333.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,807.06 : 16,188.72 = 8,333.32 : x
2. Step 2: Convert to fraction form
   10,807.06/16,188.72 = 8,333.32/x
3. Step 3: Cross multiply
   10,807.06x = 16,188.72 × 8,333.32
4. Step 4: Simplify right side
   10,807.06x = 134,905,784.15
5. Step 5: Solve for x
   x = 134,905,784.15/10,807.06
6. Step 6: Final answer
   x = 12,483.12