Finding the Fourth Proportional to 64,787.54, 89,409.83 and 37,938.69

Step by Step Solution

1. Step 1: Write the proportion equation
   64,787.54 : 89,409.83 = 37,938.69 : x
2. Step 2: Convert to fraction form
   64,787.54/89,409.83 = 37,938.69/x
3. Step 3: Cross multiply
   64,787.54x = 89,409.83 × 37,938.69
4. Step 4: Simplify right side
   64,787.54x = 3,392,091,633.63
5. Step 5: Solve for x
   x = 3,392,091,633.63/64,787.54
6. Step 6: Final answer
   x = 52,357.16