Finding the Fourth Proportional to 2,077.02, 3,115.50 and 615.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.02 : 3,115.50 = 615.98 : x
2. Step 2: Convert to fraction form
   2,077.02/3,115.50 = 615.98/x
3. Step 3: Cross multiply
   2,077.02x = 3,115.50 × 615.98
4. Step 4: Simplify right side
   2,077.02x = 1,919,085.69
5. Step 5: Solve for x
   x = 1,919,085.69/2,077.02
6. Step 6: Final answer
   x = 923.96