Finding the Fourth Proportional to 43,003.41, 64,388.48 and 37,689.81

Step by Step Solution

1. Step 1: Write the proportion equation
   43,003.41 : 64,388.48 = 37,689.81 : x
2. Step 2: Convert to fraction form
   43,003.41/64,388.48 = 37,689.81/x
3. Step 3: Cross multiply
   43,003.41x = 64,388.48 × 37,689.81
4. Step 4: Simplify right side
   43,003.41x = 2,426,789,388.94
5. Step 5: Solve for x
   x = 2,426,789,388.94/43,003.41
6. Step 6: Final answer
   x = 56,432.49