Finding the Fourth Proportional to 55,303.83, 83,038.82 and 31,638.09

Step by Step Solution

1. Step 1: Write the proportion equation
   55,303.83 : 83,038.82 = 31,638.09 : x
2. Step 2: Convert to fraction form
   55,303.83/83,038.82 = 31,638.09/x
3. Step 3: Cross multiply
   55,303.83x = 83,038.82 × 31,638.09
4. Step 4: Simplify right side
   55,303.83x = 2,627,189,991.82
5. Step 5: Solve for x
   x = 2,627,189,991.82/55,303.83
6. Step 6: Final answer
   x = 47,504.67