Finding the Fourth Proportional to 10,632.12, 14,672.28 and 5,916.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,632.12 : 14,672.28 = 5,916.40 : x
2. Step 2: Convert to fraction form
   10,632.12/14,672.28 = 5,916.40/x
3. Step 3: Cross multiply
   10,632.12x = 14,672.28 × 5,916.40
4. Step 4: Simplify right side
   10,632.12x = 86,807,077.39
5. Step 5: Solve for x
   x = 86,807,077.39/10,632.12
6. Step 6: Final answer
   x = 8,164.61