Finding the Fourth Proportional to 64,678.64, 89,223.86 and 37,803.58

Step by Step Solution

1. Step 1: Write the proportion equation
   64,678.64 : 89,223.86 = 37,803.58 : x
2. Step 2: Convert to fraction form
   64,678.64/89,223.86 = 37,803.58/x
3. Step 3: Cross multiply
   64,678.64x = 89,223.86 × 37,803.58
4. Step 4: Simplify right side
   64,678.64x = 3,372,981,200.87
5. Step 5: Solve for x
   x = 3,372,981,200.87/64,678.64
6. Step 6: Final answer
   x = 52,149.85