Finding the Fourth Proportional to 10,854.04, 14,978.50 and 5,886.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,854.04 : 14,978.50 = 5,886.04 : x
2. Step 2: Convert to fraction form
   10,854.04/14,978.50 = 5,886.04/x
3. Step 3: Cross multiply
   10,854.04x = 14,978.50 × 5,886.04
4. Step 4: Simplify right side
   10,854.04x = 88,164,050.14
5. Step 5: Solve for x
   x = 88,164,050.14/10,854.04
6. Step 6: Final answer
   x = 8,122.69