Finding the Fourth Proportional to 10,854.27, 14,980.55 and 7,883.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,854.27 : 14,980.55 = 7,883.60 : x
2. Step 2: Convert to fraction form
   10,854.27/14,980.55 = 7,883.60/x
3. Step 3: Cross multiply
   10,854.27x = 14,980.55 × 7,883.60
4. Step 4: Simplify right side
   10,854.27x = 118,100,549.66
5. Step 5: Solve for x
   x = 118,100,549.66/10,854.27
6. Step 6: Final answer
   x = 10,880.56