Finding the Fourth Proportional to 19,870.58, 29,810.48 and 5,830.04

Step by Step Solution

1. Step 1: Write the proportion equation
   19,870.58 : 29,810.48 = 5,830.04 : x
2. Step 2: Convert to fraction form
   19,870.58/29,810.48 = 5,830.04/x
3. Step 3: Cross multiply
   19,870.58x = 29,810.48 × 5,830.04
4. Step 4: Simplify right side
   19,870.58x = 173,796,290.82
5. Step 5: Solve for x
   x = 173,796,290.82/19,870.58
6. Step 6: Final answer
   x = 8,746.41