Finding the Fourth Proportional to 1,886.04, 2,601.81 and 1,387.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.04 : 2,601.81 = 1,387.62 : x
2. Step 2: Convert to fraction form
   1,886.04/2,601.81 = 1,387.62/x
3. Step 3: Cross multiply
   1,886.04x = 2,601.81 × 1,387.62
4. Step 4: Simplify right side
   1,886.04x = 3,610,323.59
5. Step 5: Solve for x
   x = 3,610,323.59/1,886.04
6. Step 6: Final answer
   x = 1,914.23