Finding the Fourth Proportional to 105,777.86, 158,708.28 and 46,572

Step by Step Solution

1. Step 1: Write the proportion equation
   105,777.86 : 158,708.28 = 46,572 : x
2. Step 2: Convert to fraction form
   105,777.86/158,708.28 = 46,572/x
3. Step 3: Cross multiply
   105,777.86x = 158,708.28 × 46,572
4. Step 4: Simplify right side
   105,777.86x = 7,391,362,016.16
5. Step 5: Solve for x
   x = 7,391,362,016.16/105,777.86
6. Step 6: Final answer
   x = 69,876.27