Finding the Fourth Proportional to 111,300.75, 153,604.76 and 61,009.47

Step by Step Solution

1. Step 1: Write the proportion equation
   111,300.75 : 153,604.76 = 61,009.47 : x
2. Step 2: Convert to fraction form
   111,300.75/153,604.76 = 61,009.47/x
3. Step 3: Cross multiply
   111,300.75x = 153,604.76 × 61,009.47
4. Step 4: Simplify right side
   111,300.75x = 9,371,344,692.03
5. Step 5: Solve for x
   x = 9,371,344,692.03/111,300.75
6. Step 6: Final answer
   x = 84,198.40