Finding the Fourth Proportional to 111,654.72, 154,092.96 and 61,364.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111,654.72 : 154,092.96 = 61,364.16 : x
2. Step 2: Convert to fraction form
   111,654.72/154,092.96 = 61,364.16/x
3. Step 3: Cross multiply
   111,654.72x = 154,092.96 × 61,364.16
4. Step 4: Simplify right side
   111,654.72x = 9,455,785,052.31
5. Step 5: Solve for x
   x = 9,455,785,052.31/111,654.72
6. Step 6: Final answer
   x = 84,687.73