Finding the Fourth Proportional to 1,665.02, 2,492.64 and 1,047.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.02 : 2,492.64 = 1,047.02 : x
2. Step 2: Convert to fraction form
   1,665.02/2,492.64 = 1,047.02/x
3. Step 3: Cross multiply
   1,665.02x = 2,492.64 × 1,047.02
4. Step 4: Simplify right side
   1,665.02x = 2,609,843.93
5. Step 5: Solve for x
   x = 2,609,843.93/1,665.02
6. Step 6: Final answer
   x = 1,567.46