Finding the Fourth Proportional to 45,380.15, 62,574.12 and 31,042.34

Step by Step Solution

1. Step 1: Write the proportion equation
   45,380.15 : 62,574.12 = 31,042.34 : x
2. Step 2: Convert to fraction form
   45,380.15/62,574.12 = 31,042.34/x
3. Step 3: Cross multiply
   45,380.15x = 62,574.12 × 31,042.34
4. Step 4: Simplify right side
   45,380.15x = 1,942,447,030.02
5. Step 5: Solve for x
   x = 1,942,447,030.02/45,380.15
6. Step 6: Final answer
   x = 42,803.89