Finding the Fourth Proportional to 10,865.32, 14,970.99 and 7,322.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,865.32 : 14,970.99 = 7,322.38 : x
2. Step 2: Convert to fraction form
   10,865.32/14,970.99 = 7,322.38/x
3. Step 3: Cross multiply
   10,865.32x = 14,970.99 × 7,322.38
4. Step 4: Simplify right side
   10,865.32x = 109,623,277.76
5. Step 5: Solve for x
   x = 109,623,277.76/10,865.32
6. Step 6: Final answer
   x = 10,089.28