Finding the Fourth Proportional to 9,969.30, 14,929.65 and 9,969.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969.30 : 14,929.65 = 9,969.30 : x
2. Step 2: Convert to fraction form
   9,969.30/14,929.65 = 9,969.30/x
3. Step 3: Cross multiply
   9,969.30x = 14,929.65 × 9,969.30
4. Step 4: Simplify right side
   9,969.30x = 148,838,159.75
5. Step 5: Solve for x
   x = 148,838,159.75/9,969.30
6. Step 6: Final answer
   x = 14,929.65