Finding the Fourth Proportional to 60,930.47, 84,001.37 and 42,756.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,930.47 : 84,001.37 = 42,756.50 : x
2. Step 2: Convert to fraction form
   60,930.47/84,001.37 = 42,756.50/x
3. Step 3: Cross multiply
   60,930.47x = 84,001.37 × 42,756.50
4. Step 4: Simplify right side
   60,930.47x = 3,591,603,942.62
5. Step 5: Solve for x
   x = 3,591,603,942.62/60,930.47
6. Step 6: Final answer
   x = 58,945.95