Finding the Fourth Proportional to 2,167.60, 2,990.16 and 1,504.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.60 : 2,990.16 = 1,504.72 : x
2. Step 2: Convert to fraction form
   2,167.60/2,990.16 = 1,504.72/x
3. Step 3: Cross multiply
   2,167.60x = 2,990.16 × 1,504.72
4. Step 4: Simplify right side
   2,167.60x = 4,499,353.56
5. Step 5: Solve for x
   x = 4,499,353.56/2,167.60
6. Step 6: Final answer
   x = 2,075.73