Finding the Fourth Proportional to 45,503.55, 67,910.82 and 42,911.94

Step by Step Solution

1. Step 1: Write the proportion equation
   45,503.55 : 67,910.82 = 42,911.94 : x
2. Step 2: Convert to fraction form
   45,503.55/67,910.82 = 42,911.94/x
3. Step 3: Cross multiply
   45,503.55x = 67,910.82 × 42,911.94
4. Step 4: Simplify right side
   45,503.55x = 2,914,185,033.19
5. Step 5: Solve for x
   x = 2,914,185,033.19/45,503.55
6. Step 6: Final answer
   x = 64,043.03