Finding the Fourth Proportional to 12,323.90, 18,499.01 and 5,307.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,323.90 : 18,499.01 = 5,307.39 : x
2. Step 2: Convert to fraction form
   12,323.90/18,499.01 = 5,307.39/x
3. Step 3: Cross multiply
   12,323.90x = 18,499.01 × 5,307.39
4. Step 4: Simplify right side
   12,323.90x = 98,181,460.68
5. Step 5: Solve for x
   x = 98,181,460.68/12,323.90
6. Step 6: Final answer
   x = 7,966.75