Finding the Fourth Proportional to 19,918.52, 29,870.79 and 5,874.81

Step by Step Solution

1. Step 1: Write the proportion equation
   19,918.52 : 29,870.79 = 5,874.81 : x
2. Step 2: Convert to fraction form
   19,918.52/29,870.79 = 5,874.81/x
3. Step 3: Cross multiply
   19,918.52x = 29,870.79 × 5,874.81
4. Step 4: Simplify right side
   19,918.52x = 175,485,215.80
5. Step 5: Solve for x
   x = 175,485,215.80/19,918.52
6. Step 6: Final answer
   x = 8,810.16