Finding the Fourth Proportional to 1,925.35, 2,901.78 and 1,818.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,925.35 : 2,901.78 = 1,818.05 : x
2. Step 2: Convert to fraction form
   1,925.35/2,901.78 = 1,818.05/x
3. Step 3: Cross multiply
   1,925.35x = 2,901.78 × 1,818.05
4. Step 4: Simplify right side
   1,925.35x = 5,275,581.13
5. Step 5: Solve for x
   x = 5,275,581.13/1,925.35
6. Step 6: Final answer
   x = 2,740.06