Finding the Fourth Proportional to 111,654.93, 154,090.69 and 63,907.18

Step by Step Solution

1. Step 1: Write the proportion equation
   111,654.93 : 154,090.69 = 63,907.18 : x
2. Step 2: Convert to fraction form
   111,654.93/154,090.69 = 63,907.18/x
3. Step 3: Cross multiply
   111,654.93x = 154,090.69 × 63,907.18
4. Step 4: Simplify right side
   111,654.93x = 9,847,501,462.15
5. Step 5: Solve for x
   x = 9,847,501,462.15/111,654.93
6. Step 6: Final answer
   x = 88,195.85