Finding the Fourth Proportional to 2,061.19, 3,091.75 and 501.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.19 : 3,091.75 = 501.20 : x
2. Step 2: Convert to fraction form
   2,061.19/3,091.75 = 501.20/x
3. Step 3: Cross multiply
   2,061.19x = 3,091.75 × 501.20
4. Step 4: Simplify right side
   2,061.19x = 1,549,585.10
5. Step 5: Solve for x
   x = 1,549,585.10/2,061.19
6. Step 6: Final answer
   x = 751.79