Finding the Fourth Proportional to 2,935.71, 4,404.51 and 987.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,935.71 : 4,404.51 = 987.93 : x
2. Step 2: Convert to fraction form
   2,935.71/4,404.51 = 987.93/x
3. Step 3: Cross multiply
   2,935.71x = 4,404.51 × 987.93
4. Step 4: Simplify right side
   2,935.71x = 4,351,347.56
5. Step 5: Solve for x
   x = 4,351,347.56/2,935.71
6. Step 6: Final answer
   x = 1,482.21