Finding the Fourth Proportional to 111,460.50, 153,815.49 and 61,162.74

Step by Step Solution

1. Step 1: Write the proportion equation
   111,460.50 : 153,815.49 = 61,162.74 : x
2. Step 2: Convert to fraction form
   111,460.50/153,815.49 = 61,162.74/x
3. Step 3: Cross multiply
   111,460.50x = 153,815.49 × 61,162.74
4. Step 4: Simplify right side
   111,460.50x = 9,407,776,822.84
5. Step 5: Solve for x
   x = 9,407,776,822.84/111,460.50
6. Step 6: Final answer
   x = 84,404.58