Finding the Fourth Proportional to 3,931.65, 5,897.85 and 1,009.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,931.65 : 5,897.85 = 1,009.98 : x
2. Step 2: Convert to fraction form
   3,931.65/5,897.85 = 1,009.98/x
3. Step 3: Cross multiply
   3,931.65x = 5,897.85 × 1,009.98
4. Step 4: Simplify right side
   3,931.65x = 5,956,710.54
5. Step 5: Solve for x
   x = 5,956,710.54/3,931.65
6. Step 6: Final answer
   x = 1,515.07