Finding the Fourth Proportional to 56,971.62, 78,623.83 and 34,317.71

Step by Step Solution

1. Step 1: Write the proportion equation
   56,971.62 : 78,623.83 = 34,317.71 : x
2. Step 2: Convert to fraction form
   56,971.62/78,623.83 = 34,317.71/x
3. Step 3: Cross multiply
   56,971.62x = 78,623.83 × 34,317.71
4. Step 4: Simplify right side
   56,971.62x = 2,698,189,797.03
5. Step 5: Solve for x
   x = 2,698,189,797.03/56,971.62
6. Step 6: Final answer
   x = 47,360.24