Finding the Fourth Proportional to 56,940.09, 78,573.42 and 34,274.67

Step by Step Solution

1. Step 1: Write the proportion equation
   56,940.09 : 78,573.42 = 34,274.67 : x
2. Step 2: Convert to fraction form
   56,940.09/78,573.42 = 34,274.67/x
3. Step 3: Cross multiply
   56,940.09x = 78,573.42 × 34,274.67
4. Step 4: Simplify right side
   56,940.09x = 2,693,078,041.27
5. Step 5: Solve for x
   x = 2,693,078,041.27/56,940.09
6. Step 6: Final answer
   x = 47,296.69