Finding the Fourth Proportional to 4,678.33, 7,016.70 and 1,557.98

Step by Step Solution

1. Step 1: Write the proportion equation
   4,678.33 : 7,016.70 = 1,557.98 : x
2. Step 2: Convert to fraction form
   4,678.33/7,016.70 = 1,557.98/x
3. Step 3: Cross multiply
   4,678.33x = 7,016.70 × 1,557.98
4. Step 4: Simplify right side
   4,678.33x = 10,931,870.48
5. Step 5: Solve for x
   x = 10,931,870.48/4,678.33
6. Step 6: Final answer
   x = 2,336.70