Finding the Fourth Proportional to 9,577.98, 13,215.63 and 5,598.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,577.98 : 13,215.63 = 5,598.31 : x
2. Step 2: Convert to fraction form
   9,577.98/13,215.63 = 5,598.31/x
3. Step 3: Cross multiply
   9,577.98x = 13,215.63 × 5,598.31
4. Step 4: Simplify right side
   9,577.98x = 73,985,193.59
5. Step 5: Solve for x
   x = 73,985,193.59/9,577.98
6. Step 6: Final answer
   x = 7,724.51