Finding the Fourth Proportional to 56,336.45, 77,744.50 and 30,843.05

Step by Step Solution

1. Step 1: Write the proportion equation
   56,336.45 : 77,744.50 = 30,843.05 : x
2. Step 2: Convert to fraction form
   56,336.45/77,744.50 = 30,843.05/x
3. Step 3: Cross multiply
   56,336.45x = 77,744.50 × 30,843.05
4. Step 4: Simplify right side
   56,336.45x = 2,397,877,617.98
5. Step 5: Solve for x
   x = 2,397,877,617.98/56,336.45
6. Step 6: Final answer
   x = 42,563.52