Finding the Fourth Proportional to 10,503.32, 15,754.42 and 3,929.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,503.32 : 15,754.42 = 3,929.01 : x
2. Step 2: Convert to fraction form
   10,503.32/15,754.42 = 3,929.01/x
3. Step 3: Cross multiply
   10,503.32x = 15,754.42 × 3,929.01
4. Step 4: Simplify right side
   10,503.32x = 61,899,230.61
5. Step 5: Solve for x
   x = 61,899,230.61/10,503.32
6. Step 6: Final answer
   x = 5,893.30