Finding the Fourth Proportional to 9,276.98, 12,801.47 and 5,298.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,276.98 : 12,801.47 = 5,298.01 : x
2. Step 2: Convert to fraction form
   9,276.98/12,801.47 = 5,298.01/x
3. Step 3: Cross multiply
   9,276.98x = 12,801.47 × 5,298.01
4. Step 4: Simplify right side
   9,276.98x = 67,822,272.48
5. Step 5: Solve for x
   x = 67,822,272.48/9,276.98
6. Step 6: Final answer
   x = 7,310.81