Finding the Fourth Proportional to 49,465.31, 68,272.43 and 45,480.11

Step by Step Solution

1. Step 1: Write the proportion equation
   49,465.31 : 68,272.43 = 45,480.11 : x
2. Step 2: Convert to fraction form
   49,465.31/68,272.43 = 45,480.11/x
3. Step 3: Cross multiply
   49,465.31x = 68,272.43 × 45,480.11
4. Step 4: Simplify right side
   49,465.31x = 3,105,037,057.60
5. Step 5: Solve for x
   x = 3,105,037,057.60/49,465.31
6. Step 6: Final answer
   x = 62,772.02