Finding the Fourth Proportional to 10,830.94, 14,946.71 and 6,115.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,830.94 : 14,946.71 = 6,115.23 : x
2. Step 2: Convert to fraction form
   10,830.94/14,946.71 = 6,115.23/x
3. Step 3: Cross multiply
   10,830.94x = 14,946.71 × 6,115.23
4. Step 4: Simplify right side
   10,830.94x = 91,402,538.82
5. Step 5: Solve for x
   x = 91,402,538.82/10,830.94
6. Step 6: Final answer
   x = 8,439.02