Finding the Fourth Proportional to 12,715.02, 19,058.76 and 5,323.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,715.02 : 19,058.76 = 5,323.50 : x
2. Step 2: Convert to fraction form
   12,715.02/19,058.76 = 5,323.50/x
3. Step 3: Cross multiply
   12,715.02x = 19,058.76 × 5,323.50
4. Step 4: Simplify right side
   12,715.02x = 101,459,308.86
5. Step 5: Solve for x
   x = 101,459,308.86/12,715.02
6. Step 6: Final answer
   x = 7,979.48