Finding the Fourth Proportional to 1,607.16, 2,407.50 and 1,461.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607.16 : 2,407.50 = 1,461.72 : x
2. Step 2: Convert to fraction form
   1,607.16/2,407.50 = 1,461.72/x
3. Step 3: Cross multiply
   1,607.16x = 2,407.50 × 1,461.72
4. Step 4: Simplify right side
   1,607.16x = 3,519,090.90
5. Step 5: Solve for x
   x = 3,519,090.90/1,607.16
6. Step 6: Final answer
   x = 2,189.63