Finding the Fourth Proportional to 9,783.02, 14,663.52 and 4,856.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,783.02 : 14,663.52 = 4,856.20 : x
2. Step 2: Convert to fraction form
   9,783.02/14,663.52 = 4,856.20/x
3. Step 3: Cross multiply
   9,783.02x = 14,663.52 × 4,856.20
4. Step 4: Simplify right side
   9,783.02x = 71,208,985.82
5. Step 5: Solve for x
   x = 71,208,985.82/9,783.02
6. Step 6: Final answer
   x = 7,278.83