Finding the Fourth Proportional to 7,814.71, 10,784.28 and 4,277.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,814.71 : 10,784.28 = 4,277.89 : x
2. Step 2: Convert to fraction form
   7,814.71/10,784.28 = 4,277.89/x
3. Step 3: Cross multiply
   7,814.71x = 10,784.28 × 4,277.89
4. Step 4: Simplify right side
   7,814.71x = 46,133,963.57
5. Step 5: Solve for x
   x = 46,133,963.57/7,814.71
6. Step 6: Final answer
   x = 5,903.48