Finding the Fourth Proportional to 91,768.32, 137,665.28 and 29,457.92

Step by Step Solution

1. Step 1: Write the proportion equation
   91,768.32 : 137,665.28 = 29,457.92 : x
2. Step 2: Convert to fraction form
   91,768.32/137,665.28 = 29,457.92/x
3. Step 3: Cross multiply
   91,768.32x = 137,665.28 × 29,457.92
4. Step 4: Simplify right side
   91,768.32x = 4,055,332,805.02
5. Step 5: Solve for x
   x = 4,055,332,805.02/91,768.32
6. Step 6: Final answer
   x = 44,190.99