Finding the Fourth Proportional to 111,411.05, 153,737.60 and 65,465.82

Step by Step Solution

1. Step 1: Write the proportion equation
   111,411.05 : 153,737.60 = 65,465.82 : x
2. Step 2: Convert to fraction form
   111,411.05/153,737.60 = 65,465.82/x
3. Step 3: Cross multiply
   111,411.05x = 153,737.60 × 65,465.82
4. Step 4: Simplify right side
   111,411.05x = 10,064,557,721.50
5. Step 5: Solve for x
   x = 10,064,557,721.50/111,411.05
6. Step 6: Final answer
   x = 90,337.16