Finding the Fourth Proportional to 45,327.94, 62,502.11 and 30,990.10

Step by Step Solution

1. Step 1: Write the proportion equation
   45,327.94 : 62,502.11 = 30,990.10 : x
2. Step 2: Convert to fraction form
   45,327.94/62,502.11 = 30,990.10/x
3. Step 3: Cross multiply
   45,327.94x = 62,502.11 × 30,990.10
4. Step 4: Simplify right side
   45,327.94x = 1,936,946,385.03
5. Step 5: Solve for x
   x = 1,936,946,385.03/45,327.94
6. Step 6: Final answer
   x = 42,731.84