Finding the Fourth Proportional to 70,892.50, 106,357.20 and 26,522.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,892.50 : 106,357.20 = 26,522.72 : x
2. Step 2: Convert to fraction form
   70,892.50/106,357.20 = 26,522.72/x
3. Step 3: Cross multiply
   70,892.50x = 106,357.20 × 26,522.72
4. Step 4: Simplify right side
   70,892.50x = 2,820,882,235.58
5. Step 5: Solve for x
   x = 2,820,882,235.58/70,892.50
6. Step 6: Final answer
   x = 39,790.98