Finding the Fourth Proportional to 1,870.04, 2,801.41 and 1,137.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.04 : 2,801.41 = 1,137.80 : x
2. Step 2: Convert to fraction form
   1,870.04/2,801.41 = 1,137.80/x
3. Step 3: Cross multiply
   1,870.04x = 2,801.41 × 1,137.80
4. Step 4: Simplify right side
   1,870.04x = 3,187,444.30
5. Step 5: Solve for x
   x = 3,187,444.30/1,870.04
6. Step 6: Final answer
   x = 1,704.48