Finding the Fourth Proportional to 12,002.01, 17,995.28 and 4,986.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,002.01 : 17,995.28 = 4,986.86 : x
2. Step 2: Convert to fraction form
   12,002.01/17,995.28 = 4,986.86/x
3. Step 3: Cross multiply
   12,002.01x = 17,995.28 × 4,986.86
4. Step 4: Simplify right side
   12,002.01x = 89,739,827.11
5. Step 5: Solve for x
   x = 89,739,827.11/12,002.01
6. Step 6: Final answer
   x = 7,477.07