Finding the Fourth Proportional to 9,419.31, 14,123.70 and 4,488.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,419.31 : 14,123.70 = 4,488.84 : x
2. Step 2: Convert to fraction form
   9,419.31/14,123.70 = 4,488.84/x
3. Step 3: Cross multiply
   9,419.31x = 14,123.70 × 4,488.84
4. Step 4: Simplify right side
   9,419.31x = 63,399,029.51
5. Step 5: Solve for x
   x = 63,399,029.51/9,419.31
6. Step 6: Final answer
   x = 6,730.75