Finding the Fourth Proportional to 91,874.62, 126,800.74 and 56,085.38

Step by Step Solution

1. Step 1: Write the proportion equation
   91,874.62 : 126,800.74 = 56,085.38 : x
2. Step 2: Convert to fraction form
   91,874.62/126,800.74 = 56,085.38/x
3. Step 3: Cross multiply
   91,874.62x = 126,800.74 × 56,085.38
4. Step 4: Simplify right side
   91,874.62x = 7,111,667,687.18
5. Step 5: Solve for x
   x = 7,111,667,687.18/91,874.62
6. Step 6: Final answer
   x = 77,406.23