Finding the Fourth Proportional to 91,783.30, 137,674.96 and 32,621.31

Step by Step Solution

1. Step 1: Write the proportion equation
   91,783.30 : 137,674.96 = 32,621.31 : x
2. Step 2: Convert to fraction form
   91,783.30/137,674.96 = 32,621.31/x
3. Step 3: Cross multiply
   91,783.30x = 137,674.96 × 32,621.31
4. Step 4: Simplify right side
   91,783.30x = 4,491,137,549.40
5. Step 5: Solve for x
   x = 4,491,137,549.40/91,783.30
6. Step 6: Final answer
   x = 48,931.97