Finding the Fourth Proportional to 28,283.18, 42,389.94 and 11,632.82

Step by Step Solution

1. Step 1: Write the proportion equation
   28,283.18 : 42,389.94 = 11,632.82 : x
2. Step 2: Convert to fraction form
   28,283.18/42,389.94 = 11,632.82/x
3. Step 3: Cross multiply
   28,283.18x = 42,389.94 × 11,632.82
4. Step 4: Simplify right side
   28,283.18x = 493,114,541.83
5. Step 5: Solve for x
   x = 493,114,541.83/28,283.18
6. Step 6: Final answer
   x = 17,434.90