Finding the Fourth Proportional to 208,425.72, 287,627.10 and 112,935

Step by Step Solution

1. Step 1: Write the proportion equation
   208,425.72 : 287,627.10 = 112,935 : x
2. Step 2: Convert to fraction form
   208,425.72/287,627.10 = 112,935/x
3. Step 3: Cross multiply
   208,425.72x = 287,627.10 × 112,935
4. Step 4: Simplify right side
   208,425.72x = 32,483,166,538.50
5. Step 5: Solve for x
   x = 32,483,166,538.50/208,425.72
6. Step 6: Final answer
   x = 155,850.09