Finding the Fourth Proportional to 4,061.17, 6,091.71 and 1,287.84

Step by Step Solution

1. Step 1: Write the proportion equation
   4,061.17 : 6,091.71 = 1,287.84 : x
2. Step 2: Convert to fraction form
   4,061.17/6,091.71 = 1,287.84/x
3. Step 3: Cross multiply
   4,061.17x = 6,091.71 × 1,287.84
4. Step 4: Simplify right side
   4,061.17x = 7,845,147.81
5. Step 5: Solve for x
   x = 7,845,147.81/4,061.17
6. Step 6: Final answer
   x = 1,931.75