Finding the Fourth Proportional to 28,471, 42,706.52 and 7,694.52

Step by Step Solution

1. Step 1: Write the proportion equation
   28,471 : 42,706.52 = 7,694.52 : x
2. Step 2: Convert to fraction form
   28,471/42,706.52 = 7,694.52/x
3. Step 3: Cross multiply
   28,471x = 42,706.52 × 7,694.52
4. Step 4: Simplify right side
   28,471x = 328,606,172.27
5. Step 5: Solve for x
   x = 328,606,172.27/28,471
6. Step 6: Final answer
   x = 11,541.79