Finding the Fourth Proportional to 64,952.74, 89,648.13 and 38,109.34

Step by Step Solution

1. Step 1: Write the proportion equation
   64,952.74 : 89,648.13 = 38,109.34 : x
2. Step 2: Convert to fraction form
   64,952.74/89,648.13 = 38,109.34/x
3. Step 3: Cross multiply
   64,952.74x = 89,648.13 × 38,109.34
4. Step 4: Simplify right side
   64,952.74x = 3,416,431,066.53
5. Step 5: Solve for x
   x = 3,416,431,066.53/64,952.74
6. Step 6: Final answer
   x = 52,598.72