Finding the Fourth Proportional to 8,995.32, 12,407.93 and 5,807.39

Step by Step Solution

1. Step 1: Write the proportion equation
   8,995.32 : 12,407.93 = 5,807.39 : x
2. Step 2: Convert to fraction form
   8,995.32/12,407.93 = 5,807.39/x
3. Step 3: Cross multiply
   8,995.32x = 12,407.93 × 5,807.39
4. Step 4: Simplify right side
   8,995.32x = 72,057,688.60
5. Step 5: Solve for x
   x = 72,057,688.60/8,995.32
6. Step 6: Final answer
   x = 8,010.58