Finding the Fourth Proportional to 114,664.72, 158,228.64 and 64,354

Step by Step Solution

1. Step 1: Write the proportion equation
   114,664.72 : 158,228.64 = 64,354 : x
2. Step 2: Convert to fraction form
   114,664.72/158,228.64 = 64,354/x
3. Step 3: Cross multiply
   114,664.72x = 158,228.64 × 64,354
4. Step 4: Simplify right side
   114,664.72x = 10,182,645,898.56
5. Step 5: Solve for x
   x = 10,182,645,898.56/114,664.72
6. Step 6: Final answer
   x = 88,803.65