Finding the Fourth Proportional to 114,858, 158,513.76 and 64,566.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,858 : 158,513.76 = 64,566.72 : x
2. Step 2: Convert to fraction form
   114,858/158,513.76 = 64,566.72/x
3. Step 3: Cross multiply
   114,858x = 158,513.76 × 64,566.72
4. Step 4: Simplify right side
   114,858x = 10,234,713,558.07
5. Step 5: Solve for x
   x = 10,234,713,558.07/114,858
6. Step 6: Final answer
   x = 89,107.54