Finding the Fourth Proportional to 34,111.32, 51,167.06 and 13,320.24

Step by Step Solution

1. Step 1: Write the proportion equation
   34,111.32 : 51,167.06 = 13,320.24 : x
2. Step 2: Convert to fraction form
   34,111.32/51,167.06 = 13,320.24/x
3. Step 3: Cross multiply
   34,111.32x = 51,167.06 × 13,320.24
4. Step 4: Simplify right side
   34,111.32x = 681,557,519.29
5. Step 5: Solve for x
   x = 681,557,519.29/34,111.32
6. Step 6: Final answer
   x = 19,980.39