Finding the Fourth Proportional to 208,601.82, 287,870.51 and 113,108.58

Step by Step Solution

1. Step 1: Write the proportion equation
   208,601.82 : 287,870.51 = 113,108.58 : x
2. Step 2: Convert to fraction form
   208,601.82/287,870.51 = 113,108.58/x
3. Step 3: Cross multiply
   208,601.82x = 287,870.51 × 113,108.58
4. Step 4: Simplify right side
   208,601.82x = 32,560,624,044.43
5. Step 5: Solve for x
   x = 32,560,624,044.43/208,601.82
6. Step 6: Final answer
   x = 156,089.84