Finding the Fourth Proportional to 9,012.30, 13,510.62 and 4,329.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,012.30 : 13,510.62 = 4,329.96 : x
2. Step 2: Convert to fraction form
   9,012.30/13,510.62 = 4,329.96/x
3. Step 3: Cross multiply
   9,012.30x = 13,510.62 × 4,329.96
4. Step 4: Simplify right side
   9,012.30x = 58,500,444.18
5. Step 5: Solve for x
   x = 58,500,444.18/9,012.30
6. Step 6: Final answer
   x = 6,491.18