Finding the Fourth Proportional to 111,850.93, 154,357.95 and 64,113.31

Step by Step Solution

1. Step 1: Write the proportion equation
   111,850.93 : 154,357.95 = 64,113.31 : x
2. Step 2: Convert to fraction form
   111,850.93/154,357.95 = 64,113.31/x
3. Step 3: Cross multiply
   111,850.93x = 154,357.95 × 64,113.31
4. Step 4: Simplify right side
   111,850.93x = 9,896,399,099.31
5. Step 5: Solve for x
   x = 9,896,399,099.31/111,850.93
6. Step 6: Final answer
   x = 88,478.47