Finding the Fourth Proportional to 55,192.32, 82,364.34 and 49,287.12

Step by Step Solution

1. Step 1: Write the proportion equation
   55,192.32 : 82,364.34 = 49,287.12 : x
2. Step 2: Convert to fraction form
   55,192.32/82,364.34 = 49,287.12/x
3. Step 3: Cross multiply
   55,192.32x = 82,364.34 × 49,287.12
4. Step 4: Simplify right side
   55,192.32x = 4,059,501,109.30
5. Step 5: Solve for x
   x = 4,059,501,109.30/55,192.32
6. Step 6: Final answer
   x = 73,551.92