Finding the Fourth Proportional to 56,980.46, 78,635.79 and 34,326.56

Step by Step Solution

1. Step 1: Write the proportion equation
   56,980.46 : 78,635.79 = 34,326.56 : x
2. Step 2: Convert to fraction form
   56,980.46/78,635.79 = 34,326.56/x
3. Step 3: Cross multiply
   56,980.46x = 78,635.79 × 34,326.56
4. Step 4: Simplify right side
   56,980.46x = 2,699,295,936.56
5. Step 5: Solve for x
   x = 2,699,295,936.56/56,980.46
6. Step 6: Final answer
   x = 47,372.31