Finding the Fourth Proportional to 114,533.72, 158,056.38 and 64,232.28

Step by Step Solution

1. Step 1: Write the proportion equation
   114,533.72 : 158,056.38 = 64,232.28 : x
2. Step 2: Convert to fraction form
   114,533.72/158,056.38 = 64,232.28/x
3. Step 3: Cross multiply
   114,533.72x = 158,056.38 × 64,232.28
4. Step 4: Simplify right side
   114,533.72x = 10,152,321,655.95
5. Step 5: Solve for x
   x = 10,152,321,655.95/114,533.72
6. Step 6: Final answer
   x = 88,640.46