Finding the Fourth Proportional to 105,774.86, 158,703.78 and 46,569

Step by Step Solution

1. Step 1: Write the proportion equation
   105,774.86 : 158,703.78 = 46,569 : x
2. Step 2: Convert to fraction form
   105,774.86/158,703.78 = 46,569/x
3. Step 3: Cross multiply
   105,774.86x = 158,703.78 × 46,569
4. Step 4: Simplify right side
   105,774.86x = 7,390,676,330.82
5. Step 5: Solve for x
   x = 7,390,676,330.82/105,774.86
6. Step 6: Final answer
   x = 69,871.77