Finding the Fourth Proportional to 56,061.94, 77,364.48 and 30,568.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,061.94 : 77,364.48 = 30,568.50 : x
2. Step 2: Convert to fraction form
   56,061.94/77,364.48 = 30,568.50/x
3. Step 3: Cross multiply
   56,061.94x = 77,364.48 × 30,568.50
4. Step 4: Simplify right side
   56,061.94x = 2,364,916,106.88
5. Step 5: Solve for x
   x = 2,364,916,106.88/56,061.94
6. Step 6: Final answer
   x = 42,183.99