Finding the Fourth Proportional to 12,292.90, 18,436.82 and 3,525.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,292.90 : 18,436.82 = 3,525.86 : x
2. Step 2: Convert to fraction form
   12,292.90/18,436.82 = 3,525.86/x
3. Step 3: Cross multiply
   12,292.90x = 18,436.82 × 3,525.86
4. Step 4: Simplify right side
   12,292.90x = 65,005,674.63
5. Step 5: Solve for x
   x = 65,005,674.63/12,292.90
6. Step 6: Final answer
   x = 5,288.07