Finding the Fourth Proportional to 1,598.72, 2,398.80 and 1,051.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,598.72 : 2,398.80 = 1,051.16 : x
2. Step 2: Convert to fraction form
   1,598.72/2,398.80 = 1,051.16/x
3. Step 3: Cross multiply
   1,598.72x = 2,398.80 × 1,051.16
4. Step 4: Simplify right side
   1,598.72x = 2,521,522.61
5. Step 5: Solve for x
   x = 2,521,522.61/1,598.72
6. Step 6: Final answer
   x = 1,577.21