Finding the Fourth Proportional to 61,701, 85,142.71 and 34,839.78

Step by Step Solution

1. Step 1: Write the proportion equation
   61,701 : 85,142.71 = 34,839.78 : x
2. Step 2: Convert to fraction form
   61,701/85,142.71 = 34,839.78/x
3. Step 3: Cross multiply
   61,701x = 85,142.71 × 34,839.78
4. Step 4: Simplify right side
   61,701x = 2,966,353,285.00
5. Step 5: Solve for x
   x = 2,966,353,285.00/61,701
6. Step 6: Final answer
   x = 48,076.26