Finding the Fourth Proportional to 91,558.50, 137,338.61 and 32,404.20

Step by Step Solution

1. Step 1: Write the proportion equation
   91,558.50 : 137,338.61 = 32,404.20 : x
2. Step 2: Convert to fraction form
   91,558.50/137,338.61 = 32,404.20/x
3. Step 3: Cross multiply
   91,558.50x = 137,338.61 × 32,404.20
4. Step 4: Simplify right side
   91,558.50x = 4,450,347,624.14
5. Step 5: Solve for x
   x = 4,450,347,624.14/91,558.50
6. Step 6: Final answer
   x = 48,606.60