Finding the Fourth Proportional to 9,992.50, 14,972.34 and 3,415.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,992.50 : 14,972.34 = 3,415.10 : x
2. Step 2: Convert to fraction form
   9,992.50/14,972.34 = 3,415.10/x
3. Step 3: Cross multiply
   9,992.50x = 14,972.34 × 3,415.10
4. Step 4: Simplify right side
   9,992.50x = 51,131,976.28
5. Step 5: Solve for x
   x = 51,131,976.28/9,992.50
6. Step 6: Final answer
   x = 5,117.04