Finding the Fourth Proportional to 4,998.89, 7,499.61 and 1,488.93

Step by Step Solution

1. Step 1: Write the proportion equation
   4,998.89 : 7,499.61 = 1,488.93 : x
2. Step 2: Convert to fraction form
   4,998.89/7,499.61 = 1,488.93/x
3. Step 3: Cross multiply
   4,998.89x = 7,499.61 × 1,488.93
4. Step 4: Simplify right side
   4,998.89x = 11,166,394.32
5. Step 5: Solve for x
   x = 11,166,394.32/4,998.89
6. Step 6: Final answer
   x = 2,233.78