Finding the Fourth Proportional to 56,793.56, 78,375.64 and 31,300.83

Step by Step Solution

1. Step 1: Write the proportion equation
   56,793.56 : 78,375.64 = 31,300.83 : x
2. Step 2: Convert to fraction form
   56,793.56/78,375.64 = 31,300.83/x
3. Step 3: Cross multiply
   56,793.56x = 78,375.64 × 31,300.83
4. Step 4: Simplify right side
   56,793.56x = 2,453,222,603.50
5. Step 5: Solve for x
   x = 2,453,222,603.50/56,793.56
6. Step 6: Final answer
   x = 43,195.44