Finding the Fourth Proportional to 114,463, 157,968.68 and 64,171.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,463 : 157,968.68 = 64,171.72 : x
2. Step 2: Convert to fraction form
   114,463/157,968.68 = 64,171.72/x
3. Step 3: Cross multiply
   114,463x = 157,968.68 × 64,171.72
4. Step 4: Simplify right side
   114,463x = 10,137,121,901.73
5. Step 5: Solve for x
   x = 10,137,121,901.73/114,463
6. Step 6: Final answer
   x = 88,562.43