Finding the Fourth Proportional to 1,838.32, 2,536.83 and 999.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,838.32 : 2,536.83 = 999.01 : x
2. Step 2: Convert to fraction form
   1,838.32/2,536.83 = 999.01/x
3. Step 3: Cross multiply
   1,838.32x = 2,536.83 × 999.01
4. Step 4: Simplify right side
   1,838.32x = 2,534,318.54
5. Step 5: Solve for x
   x = 2,534,318.54/1,838.32
6. Step 6: Final answer
   x = 1,378.61