Finding the Fourth Proportional to 208,082.99, 287,152.48 and 112,587.59

Step by Step Solution

1. Step 1: Write the proportion equation
   208,082.99 : 287,152.48 = 112,587.59 : x
2. Step 2: Convert to fraction form
   208,082.99/287,152.48 = 112,587.59/x
3. Step 3: Cross multiply
   208,082.99x = 287,152.48 × 112,587.59
4. Step 4: Simplify right side
   208,082.99x = 32,329,805,685.72
5. Step 5: Solve for x
   x = 32,329,805,685.72/208,082.99
6. Step 6: Final answer
   x = 155,369.77