Finding the Fourth Proportional to 111,464.48, 153,820.56 and 61,164.32

Step by Step Solution

1. Step 1: Write the proportion equation
   111,464.48 : 153,820.56 = 61,164.32 : x
2. Step 2: Convert to fraction form
   111,464.48/153,820.56 = 61,164.32/x
3. Step 3: Cross multiply
   111,464.48x = 153,820.56 × 61,164.32
4. Step 4: Simplify right side
   111,464.48x = 9,408,329,954.42
5. Step 5: Solve for x
   x = 9,408,329,954.42/111,464.48
6. Step 6: Final answer
   x = 84,406.53