Finding the Fourth Proportional to 77,857.50, 107,443.50 and 44,323.50

Step by Step Solution

1. Step 1: Write the proportion equation
   77,857.50 : 107,443.50 = 44,323.50 : x
2. Step 2: Convert to fraction form
   77,857.50/107,443.50 = 44,323.50/x
3. Step 3: Cross multiply
   77,857.50x = 107,443.50 × 44,323.50
4. Step 4: Simplify right side
   77,857.50x = 4,762,271,972.25
5. Step 5: Solve for x
   x = 4,762,271,972.25/77,857.50
6. Step 6: Final answer
   x = 61,166.52