Finding the Fourth Proportional to 28,597.83, 42,896.61 and 7,250.55

Step by Step Solution

1. Step 1: Write the proportion equation
   28,597.83 : 42,896.61 = 7,250.55 : x
2. Step 2: Convert to fraction form
   28,597.83/42,896.61 = 7,250.55/x
3. Step 3: Cross multiply
   28,597.83x = 42,896.61 × 7,250.55
4. Step 4: Simplify right side
   28,597.83x = 311,024,015.64
5. Step 5: Solve for x
   x = 311,024,015.64/28,597.83
6. Step 6: Final answer
   x = 10,875.79