Finding the Fourth Proportional to 1,875.50, 2,810.55 and 1,378.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,875.50 : 2,810.55 = 1,378.00 : x
2. Step 2: Convert to fraction form
   1,875.50/2,810.55 = 1,378.00/x
3. Step 3: Cross multiply
   1,875.50x = 2,810.55 × 1,378.00
4. Step 4: Simplify right side
   1,875.50x = 3,872,946.58
5. Step 5: Solve for x
   x = 3,872,946.58/1,875.50
6. Step 6: Final answer
   x = 2,065.02