Finding the Fourth Proportional to 111,852.18, 154,359.63 and 64,114.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,852.18 : 154,359.63 = 64,114.56 : x
2. Step 2: Convert to fraction form
   111,852.18/154,359.63 = 64,114.56/x
3. Step 3: Cross multiply
   111,852.18x = 154,359.63 × 64,114.56
4. Step 4: Simplify right side
   111,852.18x = 9,896,699,759.21
5. Step 5: Solve for x
   x = 9,896,699,759.21/111,852.18
6. Step 6: Final answer
   x = 88,480.17