Finding the Fourth Proportional to 34,890.30, 48,147.59 and 19,784.34

Step by Step Solution

1. Step 1: Write the proportion equation
   34,890.30 : 48,147.59 = 19,784.34 : x
2. Step 2: Convert to fraction form
   34,890.30/48,147.59 = 19,784.34/x
3. Step 3: Cross multiply
   34,890.30x = 48,147.59 × 19,784.34
4. Step 4: Simplify right side
   34,890.30x = 952,568,361.65
5. Step 5: Solve for x
   x = 952,568,361.65/34,890.30
6. Step 6: Final answer
   x = 27,301.81