Finding the Fourth Proportional to 115,056.30, 158,777.37 and 64,755.30

Step by Step Solution

1. Step 1: Write the proportion equation
   115,056.30 : 158,777.37 = 64,755.30 : x
2. Step 2: Convert to fraction form
   115,056.30/158,777.37 = 64,755.30/x
3. Step 3: Cross multiply
   115,056.30x = 158,777.37 × 64,755.30
4. Step 4: Simplify right side
   115,056.30x = 10,281,676,227.56
5. Step 5: Solve for x
   x = 10,281,676,227.56/115,056.30
6. Step 6: Final answer
   x = 89,362.13