Finding the Fourth Proportional to 2,591.17, 3,886.14 and 1,030.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.17 : 3,886.14 = 1,030.50 : x
2. Step 2: Convert to fraction form
   2,591.17/3,886.14 = 1,030.50/x
3. Step 3: Cross multiply
   2,591.17x = 3,886.14 × 1,030.50
4. Step 4: Simplify right side
   2,591.17x = 4,004,667.27
5. Step 5: Solve for x
   x = 4,004,667.27/2,591.17
6. Step 6: Final answer
   x = 1,545.51