Finding the Fourth Proportional to 111,186.56, 153,435.93 and 60,885.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,186.56 : 153,435.93 = 60,885.56 : x
2. Step 2: Convert to fraction form
   111,186.56/153,435.93 = 60,885.56/x
3. Step 3: Cross multiply
   111,186.56x = 153,435.93 × 60,885.56
4. Step 4: Simplify right side
   111,186.56x = 9,342,032,522.17
5. Step 5: Solve for x
   x = 9,342,032,522.17/111,186.56
6. Step 6: Final answer
   x = 84,021.24