Finding the Fourth Proportional to 208,019.51, 287,066.69 and 112,525.97

Step by Step Solution

1. Step 1: Write the proportion equation
   208,019.51 : 287,066.69 = 112,525.97 : x
2. Step 2: Convert to fraction form
   208,019.51/287,066.69 = 112,525.97/x
3. Step 3: Cross multiply
   208,019.51x = 287,066.69 × 112,525.97
4. Step 4: Simplify right side
   208,019.51x = 32,302,455,748.98
5. Step 5: Solve for x
   x = 32,302,455,748.98/208,019.51
6. Step 6: Final answer
   x = 155,285.71