Finding the Fourth Proportional to 10,200.35, 15,280.58 and 7,037.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,200.35 : 15,280.58 = 7,037.30 : x
2. Step 2: Convert to fraction form
   10,200.35/15,280.58 = 7,037.30/x
3. Step 3: Cross multiply
   10,200.35x = 15,280.58 × 7,037.30
4. Step 4: Simplify right side
   10,200.35x = 107,534,081.43
5. Step 5: Solve for x
   x = 107,534,081.43/10,200.35
6. Step 6: Final answer
   x = 10,542.19