Finding the Fourth Proportional to 12,969.32, 19,472.00 and 9,011.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,969.32 : 19,472.00 = 9,011.25 : x
2. Step 2: Convert to fraction form
   12,969.32/19,472.00 = 9,011.25/x
3. Step 3: Cross multiply
   12,969.32x = 19,472.00 × 9,011.25
4. Step 4: Simplify right side
   12,969.32x = 175,467,014.94
5. Step 5: Solve for x
   x = 175,467,014.94/12,969.32
6. Step 6: Final answer
   x = 13,529.40