Finding the Fourth Proportional to 9,898.52, 13,659.99 and 5,422.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,898.52 : 13,659.99 = 5,422.46 : x
2. Step 2: Convert to fraction form
   9,898.52/13,659.99 = 5,422.46/x
3. Step 3: Cross multiply
   9,898.52x = 13,659.99 × 5,422.46
4. Step 4: Simplify right side
   9,898.52x = 74,070,681.08
5. Step 5: Solve for x
   x = 74,070,681.08/9,898.52
6. Step 6: Final answer
   x = 7,483.01