Finding the Fourth Proportional to 9,490.64, 13,099.86 and 5,513.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,490.64 : 13,099.86 = 5,513.54 : x
2. Step 2: Convert to fraction form
   9,490.64/13,099.86 = 5,513.54/x
3. Step 3: Cross multiply
   9,490.64x = 13,099.86 × 5,513.54
4. Step 4: Simplify right side
   9,490.64x = 72,226,602.10
5. Step 5: Solve for x
   x = 72,226,602.10/9,490.64
6. Step 6: Final answer
   x = 7,610.30