Finding the Fourth Proportional to 111,849.93, 154,356.57 and 64,112.31

Step by Step Solution

1. Step 1: Write the proportion equation
   111,849.93 : 154,356.57 = 64,112.31 : x
2. Step 2: Convert to fraction form
   111,849.93/154,356.57 = 64,112.31/x
3. Step 3: Cross multiply
   111,849.93x = 154,356.57 × 64,112.31
4. Step 4: Simplify right side
   111,849.93x = 9,896,156,266.38
5. Step 5: Solve for x
   x = 9,896,156,266.38/111,849.93
6. Step 6: Final answer
   x = 88,477.09