Finding the Fourth Proportional to 23,543.60, 35,311.64 and 7,748.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,543.60 : 35,311.64 = 7,748.72 : x
2. Step 2: Convert to fraction form
   23,543.60/35,311.64 = 7,748.72/x
3. Step 3: Cross multiply
   23,543.60x = 35,311.64 × 7,748.72
4. Step 4: Simplify right side
   23,543.60x = 273,620,011.10
5. Step 5: Solve for x
   x = 273,620,011.10/23,543.60
6. Step 6: Final answer
   x = 11,621.84