Finding the Fourth Proportional to 42,950.98, 64,077.72 and 40,625.93

Step by Step Solution

1. Step 1: Write the proportion equation
   42,950.98 : 64,077.72 = 40,625.93 : x
2. Step 2: Convert to fraction form
   42,950.98/64,077.72 = 40,625.93/x
3. Step 3: Cross multiply
   42,950.98x = 64,077.72 × 40,625.93
4. Step 4: Simplify right side
   42,950.98x = 2,603,216,967.28
5. Step 5: Solve for x
   x = 2,603,216,967.28/42,950.98
6. Step 6: Final answer
   x = 60,609.02