Finding the Fourth Proportional to 363,139.31, 544,796.45 and 113,821.31

Step by Step Solution

1. Step 1: Write the proportion equation
   363,139.31 : 544,796.45 = 113,821.31 : x
2. Step 2: Convert to fraction form
   363,139.31/544,796.45 = 113,821.31/x
3. Step 3: Cross multiply
   363,139.31x = 544,796.45 × 113,821.31
4. Step 4: Simplify right side
   363,139.31x = 62,009,446,842.06
5. Step 5: Solve for x
   x = 62,009,446,842.06/363,139.31
6. Step 6: Final answer
   x = 170,759.39