Finding the Fourth Proportional to 57,141.27, 78,845.58 and 35,905.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,141.27 : 78,845.58 = 35,905.50 : x
2. Step 2: Convert to fraction form
   57,141.27/78,845.58 = 35,905.50/x
3. Step 3: Cross multiply
   57,141.27x = 78,845.58 × 35,905.50
4. Step 4: Simplify right side
   57,141.27x = 2,830,989,972.69
5. Step 5: Solve for x
   x = 2,830,989,972.69/57,141.27
6. Step 6: Final answer
   x = 49,543.70