Finding the Fourth Proportional to 64,688.39, 89,237.31 and 37,813.34

Step by Step Solution

1. Step 1: Write the proportion equation
   64,688.39 : 89,237.31 = 37,813.34 : x
2. Step 2: Convert to fraction form
   64,688.39/89,237.31 = 37,813.34/x
3. Step 3: Cross multiply
   64,688.39x = 89,237.31 × 37,813.34
4. Step 4: Simplify right side
   64,688.39x = 3,374,360,297.53
5. Step 5: Solve for x
   x = 3,374,360,297.53/64,688.39
6. Step 6: Final answer
   x = 52,163.31