Finding the Fourth Proportional to 56,960.37, 78,581.21 and 38,103.57

Step by Step Solution

1. Step 1: Write the proportion equation
   56,960.37 : 78,581.21 = 38,103.57 : x
2. Step 2: Convert to fraction form
   56,960.37/78,581.21 = 38,103.57/x
3. Step 3: Cross multiply
   56,960.37x = 78,581.21 × 38,103.57
4. Step 4: Simplify right side
   56,960.37x = 2,994,224,445.40
5. Step 5: Solve for x
   x = 2,994,224,445.40/56,960.37
6. Step 6: Final answer
   x = 52,566.80