Finding the Fourth Proportional to 12,963.48, 17,889.15 and 7,298.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,963.48 : 17,889.15 = 7,298.34 : x
2. Step 2: Convert to fraction form
   12,963.48/17,889.15 = 7,298.34/x
3. Step 3: Cross multiply
   12,963.48x = 17,889.15 × 7,298.34
4. Step 4: Simplify right side
   12,963.48x = 130,561,099.01
5. Step 5: Solve for x
   x = 130,561,099.01/12,963.48
6. Step 6: Final answer
   x = 10,071.45