Finding the Fourth Proportional to 163,435.52, 225,528.89 and 91,827.47

Step by Step Solution

1. Step 1: Write the proportion equation
   163,435.52 : 225,528.89 = 91,827.47 : x
2. Step 2: Convert to fraction form
   163,435.52/225,528.89 = 91,827.47/x
3. Step 3: Cross multiply
   163,435.52x = 225,528.89 × 91,827.47
4. Step 4: Simplify right side
   163,435.52x = 20,709,745,793.83
5. Step 5: Solve for x
   x = 20,709,745,793.83/163,435.52
6. Step 6: Final answer
   x = 126,715.09