Finding the Fourth Proportional to 34,346.21, 47,405.81 and 22,388.72

Step by Step Solution

1. Step 1: Write the proportion equation
   34,346.21 : 47,405.81 = 22,388.72 : x
2. Step 2: Convert to fraction form
   34,346.21/47,405.81 = 22,388.72/x
3. Step 3: Cross multiply
   34,346.21x = 47,405.81 × 22,388.72
4. Step 4: Simplify right side
   34,346.21x = 1,061,355,294.52
5. Step 5: Solve for x
   x = 1,061,355,294.52/34,346.21
6. Step 6: Final answer
   x = 30,901.67