Finding the Fourth Proportional to 74,415.71, 111,624.17 and 21,826.05

Step by Step Solution

1. Step 1: Write the proportion equation
   74,415.71 : 111,624.17 = 21,826.05 : x
2. Step 2: Convert to fraction form
   74,415.71/111,624.17 = 21,826.05/x
3. Step 3: Cross multiply
   74,415.71x = 111,624.17 × 21,826.05
4. Step 4: Simplify right side
   74,415.71x = 2,436,314,606.50
5. Step 5: Solve for x
   x = 2,436,314,606.50/74,415.71
6. Step 6: Final answer
   x = 32,739.25