Finding the Fourth Proportional to 34,012.72, 46,937.25 and 18,905

Step by Step Solution

1. Step 1: Write the proportion equation
   34,012.72 : 46,937.25 = 18,905 : x
2. Step 2: Convert to fraction form
   34,012.72/46,937.25 = 18,905/x
3. Step 3: Cross multiply
   34,012.72x = 46,937.25 × 18,905
4. Step 4: Simplify right side
   34,012.72x = 887,348,711.25
5. Step 5: Solve for x
   x = 887,348,711.25/34,012.72
6. Step 6: Final answer
   x = 26,088.73