Finding the Fourth Proportional to 12,331.06, 18,499.71 and 3,565.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,331.06 : 18,499.71 = 3,565.93 : x
2. Step 2: Convert to fraction form
   12,331.06/18,499.71 = 3,565.93/x
3. Step 3: Cross multiply
   12,331.06x = 18,499.71 × 3,565.93
4. Step 4: Simplify right side
   12,331.06x = 65,968,670.88
5. Step 5: Solve for x
   x = 65,968,670.88/12,331.06
6. Step 6: Final answer
   x = 5,349.80