Finding the Fourth Proportional to 115,912.96, 159,963.82 and 64,927.88

Step by Step Solution

1. Step 1: Write the proportion equation
   115,912.96 : 159,963.82 = 64,927.88 : x
2. Step 2: Convert to fraction form
   115,912.96/159,963.82 = 64,927.88/x
3. Step 3: Cross multiply
   115,912.96x = 159,963.82 × 64,927.88
4. Step 4: Simplify right side
   115,912.96x = 10,386,111,709.30
5. Step 5: Solve for x
   x = 10,386,111,709.30/115,912.96
6. Step 6: Final answer
   x = 89,602.68