Finding the Fourth Proportional to 69,164.50, 95,491.15 and 56,448.06

Step by Step Solution

1. Step 1: Write the proportion equation
   69,164.50 : 95,491.15 = 56,448.06 : x
2. Step 2: Convert to fraction form
   69,164.50/95,491.15 = 56,448.06/x
3. Step 3: Cross multiply
   69,164.50x = 95,491.15 × 56,448.06
4. Step 4: Simplify right side
   69,164.50x = 5,390,289,404.97
5. Step 5: Solve for x
   x = 5,390,289,404.97/69,164.50
6. Step 6: Final answer
   x = 77,934.34