Finding the Fourth Proportional to 64,781.10, 89,367.38 and 37,907.12

Step by Step Solution

1. Step 1: Write the proportion equation
   64,781.10 : 89,367.38 = 37,907.12 : x
2. Step 2: Convert to fraction form
   64,781.10/89,367.38 = 37,907.12/x
3. Step 3: Cross multiply
   64,781.10x = 89,367.38 × 37,907.12
4. Step 4: Simplify right side
   64,781.10x = 3,387,659,361.37
5. Step 5: Solve for x
   x = 3,387,659,361.37/64,781.10
6. Step 6: Final answer
   x = 52,293.95