Finding the Fourth Proportional to 9,780.02, 14,659.02 and 4,853.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,780.02 : 14,659.02 = 4,853.20 : x
2. Step 2: Convert to fraction form
   9,780.02/14,659.02 = 4,853.20/x
3. Step 3: Cross multiply
   9,780.02x = 14,659.02 × 4,853.20
4. Step 4: Simplify right side
   9,780.02x = 71,143,155.86
5. Step 5: Solve for x
   x = 71,143,155.86/9,780.02
6. Step 6: Final answer
   x = 7,274.34