Finding the Fourth Proportional to 45,419.98, 62,646.06 and 31,277.38

Step by Step Solution

1. Step 1: Write the proportion equation
   45,419.98 : 62,646.06 = 31,277.38 : x
2. Step 2: Convert to fraction form
   45,419.98/62,646.06 = 31,277.38/x
3. Step 3: Cross multiply
   45,419.98x = 62,646.06 × 31,277.38
4. Step 4: Simplify right side
   45,419.98x = 1,959,404,624.12
5. Step 5: Solve for x
   x = 1,959,404,624.12/45,419.98
6. Step 6: Final answer
   x = 43,139.71