Finding the Fourth Proportional to 109,503.48, 151,105.77 and 61,768.56

Step by Step Solution

1. Step 1: Write the proportion equation
   109,503.48 : 151,105.77 = 61,768.56 : x
2. Step 2: Convert to fraction form
   109,503.48/151,105.77 = 61,768.56/x
3. Step 3: Cross multiply
   109,503.48x = 151,105.77 × 61,768.56
4. Step 4: Simplify right side
   109,503.48x = 9,333,585,820.59
5. Step 5: Solve for x
   x = 9,333,585,820.59/109,503.48
6. Step 6: Final answer
   x = 85,235.52