Finding the Fourth Proportional to 2,151.59, 2,965.86 and 1,487.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151.59 : 2,965.86 = 1,487.30 : x
2. Step 2: Convert to fraction form
   2,151.59/2,965.86 = 1,487.30/x
3. Step 3: Cross multiply
   2,151.59x = 2,965.86 × 1,487.30
4. Step 4: Simplify right side
   2,151.59x = 4,411,108.75
5. Step 5: Solve for x
   x = 4,411,108.75/2,151.59
6. Step 6: Final answer
   x = 2,050.17