Finding the Fourth Proportional to 65,462.50, 90,338.43 and 37,172.62

Step by Step Solution

1. Step 1: Write the proportion equation
   65,462.50 : 90,338.43 = 37,172.62 : x
2. Step 2: Convert to fraction form
   65,462.50/90,338.43 = 37,172.62/x
3. Step 3: Cross multiply
   65,462.50x = 90,338.43 × 37,172.62
4. Step 4: Simplify right side
   65,462.50x = 3,358,116,129.79
5. Step 5: Solve for x
   x = 3,358,116,129.79/65,462.50
6. Step 6: Final answer
   x = 51,298.32