Finding the Fourth Proportional to 25,111.06, 34,566.26 and 21,706.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,111.06 : 34,566.26 = 21,706.50 : x
2. Step 2: Convert to fraction form
   25,111.06/34,566.26 = 21,706.50/x
3. Step 3: Cross multiply
   25,111.06x = 34,566.26 × 21,706.50
4. Step 4: Simplify right side
   25,111.06x = 750,312,522.69
5. Step 5: Solve for x
   x = 750,312,522.69/25,111.06
6. Step 6: Final answer
   x = 29,879.76