Finding the Fourth Proportional to 72,238.86, 108,338.58 and 21,626.01

Step by Step Solution

1. Step 1: Write the proportion equation
   72,238.86 : 108,338.58 = 21,626.01 : x
2. Step 2: Convert to fraction form
   72,238.86/108,338.58 = 21,626.01/x
3. Step 3: Cross multiply
   72,238.86x = 108,338.58 × 21,626.01
4. Step 4: Simplify right side
   72,238.86x = 2,342,931,214.47
5. Step 5: Solve for x
   x = 2,342,931,214.47/72,238.86
6. Step 6: Final answer
   x = 32,433.11