Finding the Fourth Proportional to 26,900.76, 37,074.72 and 21,881.52

Step by Step Solution

1. Step 1: Write the proportion equation
   26,900.76 : 37,074.72 = 21,881.52 : x
2. Step 2: Convert to fraction form
   26,900.76/37,074.72 = 21,881.52/x
3. Step 3: Cross multiply
   26,900.76x = 37,074.72 × 21,881.52
4. Step 4: Simplify right side
   26,900.76x = 811,251,227.17
5. Step 5: Solve for x
   x = 811,251,227.17/26,900.76
6. Step 6: Final answer
   x = 30,157.19