Finding the Fourth Proportional to 56,793.67, 78,375.78 and 31,300.94

Step by Step Solution

1. Step 1: Write the proportion equation
   56,793.67 : 78,375.78 = 31,300.94 : x
2. Step 2: Convert to fraction form
   56,793.67/78,375.78 = 31,300.94/x
3. Step 3: Cross multiply
   56,793.67x = 78,375.78 × 31,300.94
4. Step 4: Simplify right side
   56,793.67x = 2,453,235,783.17
5. Step 5: Solve for x
   x = 2,453,235,783.17/56,793.67
6. Step 6: Final answer
   x = 43,195.59