Finding the Fourth Proportional to 42,949.98, 64,076.23 and 40,624.93

Step by Step Solution

1. Step 1: Write the proportion equation
   42,949.98 : 64,076.23 = 40,624.93 : x
2. Step 2: Convert to fraction form
   42,949.98/64,076.23 = 40,624.93/x
3. Step 3: Cross multiply
   42,949.98x = 64,076.23 × 40,624.93
4. Step 4: Simplify right side
   42,949.98x = 2,603,092,198.22
5. Step 5: Solve for x
   x = 2,603,092,198.22/42,949.98
6. Step 6: Final answer
   x = 60,607.53