Finding the Fourth Proportional to 362,796.56, 544,200.35 and 138,169.43

Step by Step Solution

1. Step 1: Write the proportion equation
   362,796.56 : 544,200.35 = 138,169.43 : x
2. Step 2: Convert to fraction form
   362,796.56/544,200.35 = 138,169.43/x
3. Step 3: Cross multiply
   362,796.56x = 544,200.35 × 138,169.43
4. Step 4: Simplify right side
   362,796.56x = 75,191,849,789.72
5. Step 5: Solve for x
   x = 75,191,849,789.72/362,796.56
6. Step 6: Final answer
   x = 207,256.24