Finding the Fourth Proportional to 10,064.62, 15,068.94 and 5,123.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,064.62 : 15,068.94 = 5,123.62 : x
2. Step 2: Convert to fraction form
   10,064.62/15,068.94 = 5,123.62/x
3. Step 3: Cross multiply
   10,064.62x = 15,068.94 × 5,123.62
4. Step 4: Simplify right side
   10,064.62x = 77,207,522.36
5. Step 5: Solve for x
   x = 77,207,522.36/10,064.62
6. Step 6: Final answer
   x = 7,671.18