Finding the Fourth Proportional to 64,740.79, 89,342.27 and 37,888.42

Step by Step Solution

1. Step 1: Write the proportion equation
   64,740.79 : 89,342.27 = 37,888.42 : x
2. Step 2: Convert to fraction form
   64,740.79/89,342.27 = 37,888.42/x
3. Step 3: Cross multiply
   64,740.79x = 89,342.27 × 37,888.42
4. Step 4: Simplify right side
   64,740.79x = 3,385,037,449.51
5. Step 5: Solve for x
   x = 3,385,037,449.51/64,740.79
6. Step 6: Final answer
   x = 52,286.01