Finding the Fourth Proportional to 45,041, 67,560.96 and 42,300.78

Step by Step Solution

1. Step 1: Write the proportion equation
   45,041 : 67,560.96 = 42,300.78 : x
2. Step 2: Convert to fraction form
   45,041/67,560.96 = 42,300.78/x
3. Step 3: Cross multiply
   45,041x = 67,560.96 × 42,300.78
4. Step 4: Simplify right side
   45,041x = 2,857,881,305.55
5. Step 5: Solve for x
   x = 2,857,881,305.55/45,041
6. Step 6: Final answer
   x = 63,450.66