Finding the Fourth Proportional to 114,419, 157,907.94 and 64,127.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,419 : 157,907.94 = 64,127.72 : x
2. Step 2: Convert to fraction form
   114,419/157,907.94 = 64,127.72/x
3. Step 3: Cross multiply
   114,419x = 157,907.94 × 64,127.72
4. Step 4: Simplify right side
   114,419x = 10,126,276,162.10
5. Step 5: Solve for x
   x = 10,126,276,162.10/114,419
6. Step 6: Final answer
   x = 88,501.70