Finding the Fourth Proportional to 51,105.68, 70,526.04 and 28,748.24

Step by Step Solution

1. Step 1: Write the proportion equation
   51,105.68 : 70,526.04 = 28,748.24 : x
2. Step 2: Convert to fraction form
   51,105.68/70,526.04 = 28,748.24/x
3. Step 3: Cross multiply
   51,105.68x = 70,526.04 × 28,748.24
4. Step 4: Simplify right side
   51,105.68x = 2,027,499,524.17
5. Step 5: Solve for x
   x = 2,027,499,524.17/51,105.68
6. Step 6: Final answer
   x = 39,672.68