Finding the Fourth Proportional to 9,830.93, 13,566.50 and 5,354.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,830.93 : 13,566.50 = 5,354.63 : x
2. Step 2: Convert to fraction form
   9,830.93/13,566.50 = 5,354.63/x
3. Step 3: Cross multiply
   9,830.93x = 13,566.50 × 5,354.63
4. Step 4: Simplify right side
   9,830.93x = 72,643,561.12
5. Step 5: Solve for x
   x = 72,643,561.12/9,830.93
6. Step 6: Final answer
   x = 7,389.29