Finding the Fourth Proportional to 158,294.72, 237,065.15 and 91,594.28

Step by Step Solution

1. Step 1: Write the proportion equation
   158,294.72 : 237,065.15 = 91,594.28 : x
2. Step 2: Convert to fraction form
   158,294.72/237,065.15 = 91,594.28/x
3. Step 3: Cross multiply
   158,294.72x = 237,065.15 × 91,594.28
4. Step 4: Simplify right side
   158,294.72x = 21,713,811,727.34
5. Step 5: Solve for x
   x = 21,713,811,727.34/158,294.72
6. Step 6: Final answer
   x = 137,173.32