Finding the Fourth Proportional to 34,167.72, 51,283.62 and 21,045.72

Step by Step Solution

1. Step 1: Write the proportion equation
   34,167.72 : 51,283.62 = 21,045.72 : x
2. Step 2: Convert to fraction form
   34,167.72/51,283.62 = 21,045.72/x
3. Step 3: Cross multiply
   34,167.72x = 51,283.62 × 21,045.72
4. Step 4: Simplify right side
   34,167.72x = 1,079,300,707.11
5. Step 5: Solve for x
   x = 1,079,300,707.11/34,167.72
6. Step 6: Final answer
   x = 31,588.32