Finding the Fourth Proportional to 111,333.50, 153,649.95 and 61,042.22

Step by Step Solution

1. Step 1: Write the proportion equation
   111,333.50 : 153,649.95 = 61,042.22 : x
2. Step 2: Convert to fraction form
   111,333.50/153,649.95 = 61,042.22/x
3. Step 3: Cross multiply
   111,333.50x = 153,649.95 × 61,042.22
4. Step 4: Simplify right side
   111,333.50x = 9,379,134,050.89
5. Step 5: Solve for x
   x = 9,379,134,050.89/111,333.50
6. Step 6: Final answer
   x = 84,243.59