Finding the Fourth Proportional to 51,168.71, 76,611.35 and 26,154.89

Step by Step Solution

1. Step 1: Write the proportion equation
   51,168.71 : 76,611.35 = 26,154.89 : x
2. Step 2: Convert to fraction form
   51,168.71/76,611.35 = 26,154.89/x
3. Step 3: Cross multiply
   51,168.71x = 76,611.35 × 26,154.89
4. Step 4: Simplify right side
   51,168.71x = 2,003,760,918.17
5. Step 5: Solve for x
   x = 2,003,760,918.17/51,168.71
6. Step 6: Final answer
   x = 39,159.89