Finding the Fourth Proportional to 61,648.53, 85,074.99 and 42,796.59

Step by Step Solution

1. Step 1: Write the proportion equation
   61,648.53 : 85,074.99 = 42,796.59 : x
2. Step 2: Convert to fraction form
   61,648.53/85,074.99 = 42,796.59/x
3. Step 3: Cross multiply
   61,648.53x = 85,074.99 × 42,796.59
4. Step 4: Simplify right side
   61,648.53x = 3,640,919,466.28
5. Step 5: Solve for x
   x = 3,640,919,466.28/61,648.53
6. Step 6: Final answer
   x = 59,059.31