Finding the Fourth Proportional to 10,648.86, 14,670.93 and 8,409.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,648.86 : 14,670.93 = 8,409.93 : x
2. Step 2: Convert to fraction form
   10,648.86/14,670.93 = 8,409.93/x
3. Step 3: Cross multiply
   10,648.86x = 14,670.93 × 8,409.93
4. Step 4: Simplify right side
   10,648.86x = 123,381,494.33
5. Step 5: Solve for x
   x = 123,381,494.33/10,648.86
6. Step 6: Final answer
   x = 11,586.36