Finding the Fourth Proportional to 111,953.48, 154,495.55 and 60,965.39

Step by Step Solution

1. Step 1: Write the proportion equation
   111,953.48 : 154,495.55 = 60,965.39 : x
2. Step 2: Convert to fraction form
   111,953.48/154,495.55 = 60,965.39/x
3. Step 3: Cross multiply
   111,953.48x = 154,495.55 × 60,965.39
4. Step 4: Simplify right side
   111,953.48x = 9,418,881,997.67
5. Step 5: Solve for x
   x = 9,418,881,997.67/111,953.48
6. Step 6: Final answer
   x = 84,132.11