Finding the Fourth Proportional to 208,589.87, 287,851.43 and 113,096.34

Step by Step Solution

1. Step 1: Write the proportion equation
   208,589.87 : 287,851.43 = 113,096.34 : x
2. Step 2: Convert to fraction form
   208,589.87/287,851.43 = 113,096.34/x
3. Step 3: Cross multiply
   208,589.87x = 287,851.43 × 113,096.34
4. Step 4: Simplify right side
   208,589.87x = 32,554,943,196.77
5. Step 5: Solve for x
   x = 32,554,943,196.77/208,589.87
6. Step 6: Final answer
   x = 156,071.54