Finding the Fourth Proportional to 1,927.50, 2,659.86 and 1,088.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,927.50 : 2,659.86 = 1,088.10 : x
2. Step 2: Convert to fraction form
   1,927.50/2,659.86 = 1,088.10/x
3. Step 3: Cross multiply
   1,927.50x = 2,659.86 × 1,088.10
4. Step 4: Simplify right side
   1,927.50x = 2,894,193.67
5. Step 5: Solve for x
   x = 2,894,193.67/1,927.50
6. Step 6: Final answer
   x = 1,501.53