Finding the Fourth Proportional to 111,304.72, 153,601.14 and 61,003.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,304.72 : 153,601.14 = 61,003.72 : x
2. Step 2: Convert to fraction form
   111,304.72/153,601.14 = 61,003.72/x
3. Step 3: Cross multiply
   111,304.72x = 153,601.14 × 61,003.72
4. Step 4: Simplify right side
   111,304.72x = 9,370,240,936.24
5. Step 5: Solve for x
   x = 9,370,240,936.24/111,304.72
6. Step 6: Final answer
   x = 84,185.48