Finding the Fourth Proportional to 57,003.77, 78,612.89 and 34,303.37

Step by Step Solution

1. Step 1: Write the proportion equation
   57,003.77 : 78,612.89 = 34,303.37 : x
2. Step 2: Convert to fraction form
   57,003.77/78,612.89 = 34,303.37/x
3. Step 3: Cross multiply
   57,003.77x = 78,612.89 × 34,303.37
4. Step 4: Simplify right side
   57,003.77x = 2,696,686,487.86
5. Step 5: Solve for x
   x = 2,696,686,487.86/57,003.77
6. Step 6: Final answer
   x = 47,307.16