Finding the Fourth Proportional to 61,333.72, 84,791.48 and 60,772.39

Step by Step Solution

1. Step 1: Write the proportion equation
   61,333.72 : 84,791.48 = 60,772.39 : x
2. Step 2: Convert to fraction form
   61,333.72/84,791.48 = 60,772.39/x
3. Step 3: Cross multiply
   61,333.72x = 84,791.48 × 60,772.39
4. Step 4: Simplify right side
   61,333.72x = 5,152,980,375.40
5. Step 5: Solve for x
   x = 5,152,980,375.40/61,333.72
6. Step 6: Final answer
   x = 84,015.46