Finding the Fourth Proportional to 9,561.61, 13,194.34 and 5,370.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,561.61 : 13,194.34 = 5,370.49 : x
2. Step 2: Convert to fraction form
   9,561.61/13,194.34 = 5,370.49/x
3. Step 3: Cross multiply
   9,561.61x = 13,194.34 × 5,370.49
4. Step 4: Simplify right side
   9,561.61x = 70,860,071.03
5. Step 5: Solve for x
   x = 70,860,071.03/9,561.61
6. Step 6: Final answer
   x = 7,410.89