Finding the Fourth Proportional to 72,192.18, 108,300.60 and 22,271.34

Step by Step Solution

1. Step 1: Write the proportion equation
   72,192.18 : 108,300.60 = 22,271.34 : x
2. Step 2: Convert to fraction form
   72,192.18/108,300.60 = 22,271.34/x
3. Step 3: Cross multiply
   72,192.18x = 108,300.60 × 22,271.34
4. Step 4: Simplify right side
   72,192.18x = 2,411,999,484.80
5. Step 5: Solve for x
   x = 2,411,999,484.80/72,192.18
6. Step 6: Final answer
   x = 33,410.81