Finding the Fourth Proportional to 111,884.93, 154,404.83 and 64,147.31

Step by Step Solution

1. Step 1: Write the proportion equation
   111,884.93 : 154,404.83 = 64,147.31 : x
2. Step 2: Convert to fraction form
   111,884.93/154,404.83 = 64,147.31/x
3. Step 3: Cross multiply
   111,884.93x = 154,404.83 × 64,147.31
4. Step 4: Simplify right side
   111,884.93x = 9,904,654,174.77
5. Step 5: Solve for x
   x = 9,904,654,174.77/111,884.93
6. Step 6: Final answer
   x = 88,525.36