Finding the Fourth Proportional to 91,614.27, 137,441.12 and 28,433.19

Step by Step Solution

1. Step 1: Write the proportion equation
   91,614.27 : 137,441.12 = 28,433.19 : x
2. Step 2: Convert to fraction form
   91,614.27/137,441.12 = 28,433.19/x
3. Step 3: Cross multiply
   91,614.27x = 137,441.12 × 28,433.19
4. Step 4: Simplify right side
   91,614.27x = 3,907,889,336.61
5. Step 5: Solve for x
   x = 3,907,889,336.61/91,614.27
6. Step 6: Final answer
   x = 42,655.90