Finding the Fourth Proportional to 9,490.83, 13,100.01 and 5,511.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,490.83 : 13,100.01 = 5,511.21 : x
2. Step 2: Convert to fraction form
   9,490.83/13,100.01 = 5,511.21/x
3. Step 3: Cross multiply
   9,490.83x = 13,100.01 × 5,511.21
4. Step 4: Simplify right side
   9,490.83x = 72,196,906.11
5. Step 5: Solve for x
   x = 72,196,906.11/9,490.83
6. Step 6: Final answer
   x = 7,607.02