Finding the Fourth Proportional to 91,739.12, 137,629.40 and 32,574.83

Step by Step Solution

1. Step 1: Write the proportion equation
   91,739.12 : 137,629.40 = 32,574.83 : x
2. Step 2: Convert to fraction form
   91,739.12/137,629.40 = 32,574.83/x
3. Step 3: Cross multiply
   91,739.12x = 137,629.40 × 32,574.83
4. Step 4: Simplify right side
   91,739.12x = 4,483,253,456.98
5. Step 5: Solve for x
   x = 4,483,253,456.98/91,739.12
6. Step 6: Final answer
   x = 48,869.60