Finding the Fourth Proportional to 114,933.86, 158,607.69 and 64,631.78

Step by Step Solution

1. Step 1: Write the proportion equation
   114,933.86 : 158,607.69 = 64,631.78 : x
2. Step 2: Convert to fraction form
   114,933.86/158,607.69 = 64,631.78/x
3. Step 3: Cross multiply
   114,933.86x = 158,607.69 × 64,631.78
4. Step 4: Simplify right side
   114,933.86x = 10,251,097,326.39
5. Step 5: Solve for x
   x = 10,251,097,326.39/114,933.86
6. Step 6: Final answer
   x = 89,191.27