Finding the Fourth Proportional to 1,162.32, 1,737.83 and 991.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.32 : 1,737.83 = 991.01 : x
2. Step 2: Convert to fraction form
   1,162.32/1,737.83 = 991.01/x
3. Step 3: Cross multiply
   1,162.32x = 1,737.83 × 991.01
4. Step 4: Simplify right side
   1,162.32x = 1,722,193.26
5. Step 5: Solve for x
   x = 1,722,193.26/1,162.32
6. Step 6: Final answer
   x = 1,481.69