Finding the Fourth Proportional to 61,396.79, 84,878.69 and 60,835.46

Step by Step Solution

1. Step 1: Write the proportion equation
   61,396.79 : 84,878.69 = 60,835.46 : x
2. Step 2: Convert to fraction form
   61,396.79/84,878.69 = 60,835.46/x
3. Step 3: Cross multiply
   61,396.79x = 84,878.69 × 60,835.46
4. Step 4: Simplify right side
   61,396.79x = 5,163,633,421.78
5. Step 5: Solve for x
   x = 5,163,633,421.78/61,396.79
6. Step 6: Final answer
   x = 84,102.67