Finding the Fourth Proportional to 10,088.64, 13,922.40 and 5,612.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,088.64 : 13,922.40 = 5,612.48 : x
2. Step 2: Convert to fraction form
   10,088.64/13,922.40 = 5,612.48/x
3. Step 3: Cross multiply
   10,088.64x = 13,922.40 × 5,612.48
4. Step 4: Simplify right side
   10,088.64x = 78,139,191.55
5. Step 5: Solve for x
   x = 78,139,191.55/10,088.64
6. Step 6: Final answer
   x = 7,745.27