Finding the Fourth Proportional to 56,718.72, 78,273.20 and 34,058.67

Step by Step Solution

1. Step 1: Write the proportion equation
   56,718.72 : 78,273.20 = 34,058.67 : x
2. Step 2: Convert to fraction form
   56,718.72/78,273.20 = 34,058.67/x
3. Step 3: Cross multiply
   56,718.72x = 78,273.20 × 34,058.67
4. Step 4: Simplify right side
   56,718.72x = 2,665,880,697.28
5. Step 5: Solve for x
   x = 2,665,880,697.28/56,718.72
6. Step 6: Final answer
   x = 47,001.78