Finding the Fourth Proportional to 1,670.83, 2,492.12 and 1,574.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,670.83 : 2,492.12 = 1,574.47 : x
2. Step 2: Convert to fraction form
   1,670.83/2,492.12 = 1,574.47/x
3. Step 3: Cross multiply
   1,670.83x = 2,492.12 × 1,574.47
4. Step 4: Simplify right side
   1,670.83x = 3,923,755.86
5. Step 5: Solve for x
   x = 3,923,755.86/1,670.83
6. Step 6: Final answer
   x = 2,348.38