Finding the Fourth Proportional to 31,506.96, 43,477.91 and 19,570.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,506.96 : 43,477.91 = 19,570.10 : x
2. Step 2: Convert to fraction form
   31,506.96/43,477.91 = 19,570.10/x
3. Step 3: Cross multiply
   31,506.96x = 43,477.91 × 19,570.10
4. Step 4: Simplify right side
   31,506.96x = 850,866,731.25
5. Step 5: Solve for x
   x = 850,866,731.25/31,506.96
6. Step 6: Final answer
   x = 27,005.68