Finding the Fourth Proportional to 42,524.88, 64,186.74 and 42,524.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,524.88 : 64,186.74 = 42,524.88 : x
2. Step 2: Convert to fraction form
   42,524.88/64,186.74 = 42,524.88/x
3. Step 3: Cross multiply
   42,524.88x = 64,186.74 × 42,524.88
4. Step 4: Simplify right side
   42,524.88x = 2,729,533,416.09
5. Step 5: Solve for x
   x = 2,729,533,416.09/42,524.88
6. Step 6: Final answer
   x = 64,186.74