Finding the Fourth Proportional to 9,783.93, 14,662.91 and 5,330.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,783.93 : 14,662.91 = 5,330.17 : x
2. Step 2: Convert to fraction form
   9,783.93/14,662.91 = 5,330.17/x
3. Step 3: Cross multiply
   9,783.93x = 14,662.91 × 5,330.17
4. Step 4: Simplify right side
   9,783.93x = 78,155,779.66
5. Step 5: Solve for x
   x = 78,155,779.66/9,783.93
6. Step 6: Final answer
   x = 7,988.18