Finding the Fourth Proportional to 2,962.72, 4,087.38 and 1,783.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,962.72 : 4,087.38 = 1,783.63 : x
2. Step 2: Convert to fraction form
   2,962.72/4,087.38 = 1,783.63/x
3. Step 3: Cross multiply
   2,962.72x = 4,087.38 × 1,783.63
4. Step 4: Simplify right side
   2,962.72x = 7,290,373.59
5. Step 5: Solve for x
   x = 7,290,373.59/2,962.72
6. Step 6: Final answer
   x = 2,460.70