Finding the Fourth Proportional to 45,080.18, 62,261.71 and 30,715.10

Step by Step Solution

1. Step 1: Write the proportion equation
   45,080.18 : 62,261.71 = 30,715.10 : x
2. Step 2: Convert to fraction form
   45,080.18/62,261.71 = 30,715.10/x
3. Step 3: Cross multiply
   45,080.18x = 62,261.71 × 30,715.10
4. Step 4: Simplify right side
   45,080.18x = 1,912,374,648.82
5. Step 5: Solve for x
   x = 1,912,374,648.82/45,080.18
6. Step 6: Final answer
   x = 42,421.63