Finding the Fourth Proportional to 10,425.30, 15,656.61 and 9,590.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,425.30 : 15,656.61 = 9,590.88 : x
2. Step 2: Convert to fraction form
   10,425.30/15,656.61 = 9,590.88/x
3. Step 3: Cross multiply
   10,425.30x = 15,656.61 × 9,590.88
4. Step 4: Simplify right side
   10,425.30x = 150,160,667.72
5. Step 5: Solve for x
   x = 150,160,667.72/10,425.30
6. Step 6: Final answer
   x = 14,403.49