Finding the Fourth Proportional to 91,815.27, 137,593.58 and 73,011.86

Step by Step Solution

1. Step 1: Write the proportion equation
   91,815.27 : 137,593.58 = 73,011.86 : x
2. Step 2: Convert to fraction form
   91,815.27/137,593.58 = 73,011.86/x
3. Step 3: Cross multiply
   91,815.27x = 137,593.58 × 73,011.86
4. Step 4: Simplify right side
   91,815.27x = 10,045,963,178.78
5. Step 5: Solve for x
   x = 10,045,963,178.78/91,815.27
6. Step 6: Final answer
   x = 109,414.95