Finding the Fourth Proportional to 10,402.98, 15,590.70 and 5,462.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,402.98 : 15,590.70 = 5,462.52 : x
2. Step 2: Convert to fraction form
   10,402.98/15,590.70 = 5,462.52/x
3. Step 3: Cross multiply
   10,402.98x = 15,590.70 × 5,462.52
4. Step 4: Simplify right side
   10,402.98x = 85,164,510.56
5. Step 5: Solve for x
   x = 85,164,510.56/10,402.98
6. Step 6: Final answer
   x = 8,186.55