Finding the Fourth Proportional to 56,861.35, 78,443.30 and 32,974.18

Step by Step Solution

1. Step 1: Write the proportion equation
   56,861.35 : 78,443.30 = 32,974.18 : x
2. Step 2: Convert to fraction form
   56,861.35/78,443.30 = 32,974.18/x
3. Step 3: Cross multiply
   56,861.35x = 78,443.30 × 32,974.18
4. Step 4: Simplify right side
   56,861.35x = 2,586,603,133.01
5. Step 5: Solve for x
   x = 2,586,603,133.01/56,861.35
6. Step 6: Final answer
   x = 45,489.66