Finding the Fourth Proportional to 114,477.56, 157,978.94 and 64,176.56

Step by Step Solution

1. Step 1: Write the proportion equation
   114,477.56 : 157,978.94 = 64,176.56 : x
2. Step 2: Convert to fraction form
   114,477.56/157,978.94 = 64,176.56/x
3. Step 3: Cross multiply
   114,477.56x = 157,978.94 × 64,176.56
4. Step 4: Simplify right side
   114,477.56x = 10,138,544,921.65
5. Step 5: Solve for x
   x = 10,138,544,921.65/114,477.56
6. Step 6: Final answer
   x = 88,563.60