Finding the Fourth Proportional to 111,396.56, 153,720.76 and 61,095.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,396.56 : 153,720.76 = 61,095.56 : x
2. Step 2: Convert to fraction form
   111,396.56/153,720.76 = 61,095.56/x
3. Step 3: Cross multiply
   111,396.56x = 153,720.76 × 61,095.56
4. Step 4: Simplify right side
   111,396.56x = 9,391,655,915.83
5. Step 5: Solve for x
   x = 9,391,655,915.83/111,396.56
6. Step 6: Final answer
   x = 84,308.31