Finding the Fourth Proportional to 208,054.24, 287,114.72 and 112,560.96

Step by Step Solution

1. Step 1: Write the proportion equation
   208,054.24 : 287,114.72 = 112,560.96 : x
2. Step 2: Convert to fraction form
   208,054.24/287,114.72 = 112,560.96/x
3. Step 3: Cross multiply
   208,054.24x = 287,114.72 × 112,560.96
4. Step 4: Simplify right side
   208,054.24x = 32,317,908,513.33
5. Step 5: Solve for x
   x = 32,317,908,513.33/208,054.24
6. Step 6: Final answer
   x = 155,334.05