Finding the Fourth Proportional to 42,464.79, 63,696.95 and 10,874.79

Step by Step Solution

1. Step 1: Write the proportion equation
   42,464.79 : 63,696.95 = 10,874.79 : x
2. Step 2: Convert to fraction form
   42,464.79/63,696.95 = 10,874.79/x
3. Step 3: Cross multiply
   42,464.79x = 63,696.95 × 10,874.79
4. Step 4: Simplify right side
   42,464.79x = 692,690,954.89
5. Step 5: Solve for x
   x = 692,690,954.89/42,464.79
6. Step 6: Final answer
   x = 16,312.12