Finding the Fourth Proportional to 9,471.83, 13,070.90 and 5,493.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,471.83 : 13,070.90 = 5,493.30 : x
2. Step 2: Convert to fraction form
   9,471.83/13,070.90 = 5,493.30/x
3. Step 3: Cross multiply
   9,471.83x = 13,070.90 × 5,493.30
4. Step 4: Simplify right side
   9,471.83x = 71,802,347.50
5. Step 5: Solve for x
   x = 71,802,347.50/9,471.83
6. Step 6: Final answer
   x = 7,580.62