Finding the Fourth Proportional to 38,696, 58,048.96 and 10,994.72

Step by Step Solution

1. Step 1: Write the proportion equation
   38,696 : 58,048.96 = 10,994.72 : x
2. Step 2: Convert to fraction form
   38,696/58,048.96 = 10,994.72/x
3. Step 3: Cross multiply
   38,696x = 58,048.96 × 10,994.72
4. Step 4: Simplify right side
   38,696x = 638,232,061.49
5. Step 5: Solve for x
   x = 638,232,061.49/38,696
6. Step 6: Final answer
   x = 16,493.49