Finding the Fourth Proportional to 2,970.72, 4,454.76 and 1,583.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,970.72 : 4,454.76 = 1,583.80 : x
2. Step 2: Convert to fraction form
   2,970.72/4,454.76 = 1,583.80/x
3. Step 3: Cross multiply
   2,970.72x = 4,454.76 × 1,583.80
4. Step 4: Simplify right side
   2,970.72x = 7,055,426.61
5. Step 5: Solve for x
   x = 7,055,426.61/2,970.72
6. Step 6: Final answer
   x = 2,374.99