Finding the Fourth Proportional to 19,929.16, 29,886.72 and 5,885.42

Step by Step Solution

1. Step 1: Write the proportion equation
   19,929.16 : 29,886.72 = 5,885.42 : x
2. Step 2: Convert to fraction form
   19,929.16/29,886.72 = 5,885.42/x
3. Step 3: Cross multiply
   19,929.16x = 29,886.72 × 5,885.42
4. Step 4: Simplify right side
   19,929.16x = 175,895,899.62
5. Step 5: Solve for x
   x = 175,895,899.62/19,929.16
6. Step 6: Final answer
   x = 8,826.06