Finding the Fourth Proportional to 45,222.42, 62,427.33 and 39,148.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,222.42 : 62,427.33 = 39,148.50 : x
2. Step 2: Convert to fraction form
   45,222.42/62,427.33 = 39,148.50/x
3. Step 3: Cross multiply
   45,222.42x = 62,427.33 × 39,148.50
4. Step 4: Simplify right side
   45,222.42x = 2,443,936,328.51
5. Step 5: Solve for x
   x = 2,443,936,328.51/45,222.42
6. Step 6: Final answer
   x = 54,042.58