Finding the Fourth Proportional to 56,820.38, 78,379.59 and 35,562.74

Step by Step Solution

1. Step 1: Write the proportion equation
   56,820.38 : 78,379.59 = 35,562.74 : x
2. Step 2: Convert to fraction form
   56,820.38/78,379.59 = 35,562.74/x
3. Step 3: Cross multiply
   56,820.38x = 78,379.59 × 35,562.74
4. Step 4: Simplify right side
   56,820.38x = 2,787,392,588.58
5. Step 5: Solve for x
   x = 2,787,392,588.58/56,820.38
6. Step 6: Final answer
   x = 49,056.22