Finding the Fourth Proportional to 266,884.56, 400,462.61 and 117,086.00

Step by Step Solution

1. Step 1: Write the proportion equation
   266,884.56 : 400,462.61 = 117,086.00 : x
2. Step 2: Convert to fraction form
   266,884.56/400,462.61 = 117,086.00/x
3. Step 3: Cross multiply
   266,884.56x = 400,462.61 × 117,086.00
4. Step 4: Simplify right side
   266,884.56x = 46,888,562,566.72
5. Step 5: Solve for x
   x = 46,888,562,566.72/266,884.56
6. Step 6: Final answer
   x = 175,688.55