Finding the Fourth Proportional to 1,436.90, 2,156.52 and 1,160.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.90 : 2,156.52 = 1,160.16 : x
2. Step 2: Convert to fraction form
   1,436.90/2,156.52 = 1,160.16/x
3. Step 3: Cross multiply
   1,436.90x = 2,156.52 × 1,160.16
4. Step 4: Simplify right side
   1,436.90x = 2,501,908.24
5. Step 5: Solve for x
   x = 2,501,908.24/1,436.90
6. Step 6: Final answer
   x = 1,741.18