Finding the Fourth Proportional to 64,751.59, 89,361.31 and 39,260.39

Step by Step Solution

1. Step 1: Write the proportion equation
   64,751.59 : 89,361.31 = 39,260.39 : x
2. Step 2: Convert to fraction form
   64,751.59/89,361.31 = 39,260.39/x
3. Step 3: Cross multiply
   64,751.59x = 89,361.31 × 39,260.39
4. Step 4: Simplify right side
   64,751.59x = 3,508,359,881.51
5. Step 5: Solve for x
   x = 3,508,359,881.51/64,751.59
6. Step 6: Final answer
   x = 54,181.83