Finding the Fourth Proportional to 62,684.89, 86,504.42 and 34,390.58

Step by Step Solution

1. Step 1: Write the proportion equation
   62,684.89 : 86,504.42 = 34,390.58 : x
2. Step 2: Convert to fraction form
   62,684.89/86,504.42 = 34,390.58/x
3. Step 3: Cross multiply
   62,684.89x = 86,504.42 × 34,390.58
4. Step 4: Simplify right side
   62,684.89x = 2,974,936,829.82
5. Step 5: Solve for x
   x = 2,974,936,829.82/62,684.89
6. Step 6: Final answer
   x = 47,458.60