Finding the Fourth Proportional to 9,429.84, 14,140.64 and 4,746.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.84 : 14,140.64 = 4,746.88 : x
2. Step 2: Convert to fraction form
   9,429.84/14,140.64 = 4,746.88/x
3. Step 3: Cross multiply
   9,429.84x = 14,140.64 × 4,746.88
4. Step 4: Simplify right side
   9,429.84x = 67,123,921.20
5. Step 5: Solve for x
   x = 67,123,921.20/9,429.84
6. Step 6: Final answer
   x = 7,118.25