Finding the Fourth Proportional to 2,910.60, 4,363.47 and 1,154.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910.60 : 4,363.47 = 1,154.70 : x
2. Step 2: Convert to fraction form
   2,910.60/4,363.47 = 1,154.70/x
3. Step 3: Cross multiply
   2,910.60x = 4,363.47 × 1,154.70
4. Step 4: Simplify right side
   2,910.60x = 5,038,498.81
5. Step 5: Solve for x
   x = 5,038,498.81/2,910.60
6. Step 6: Final answer
   x = 1,731.09