Finding the Fourth Proportional to 10,267.59, 15,402.59 and 3,602.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,267.59 : 15,402.59 = 3,602.05 : x
2. Step 2: Convert to fraction form
   10,267.59/15,402.59 = 3,602.05/x
3. Step 3: Cross multiply
   10,267.59x = 15,402.59 × 3,602.05
4. Step 4: Simplify right side
   10,267.59x = 55,480,899.31
5. Step 5: Solve for x
   x = 55,480,899.31/10,267.59
6. Step 6: Final answer
   x = 5,403.50