Finding the Fourth Proportional to 1,855.56, 2,781.42 and 700.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,855.56 : 2,781.42 = 700.50 : x
2. Step 2: Convert to fraction form
   1,855.56/2,781.42 = 700.50/x
3. Step 3: Cross multiply
   1,855.56x = 2,781.42 × 700.50
4. Step 4: Simplify right side
   1,855.56x = 1,948,384.71
5. Step 5: Solve for x
   x = 1,948,384.71/1,855.56
6. Step 6: Final answer
   x = 1,050.03