Finding the Fourth Proportional to 208,152.02, 287,251.89 and 112,660.76

Step by Step Solution

1. Step 1: Write the proportion equation
   208,152.02 : 287,251.89 = 112,660.76 : x
2. Step 2: Convert to fraction form
   208,152.02/287,251.89 = 112,660.76/x
3. Step 3: Cross multiply
   208,152.02x = 287,251.89 × 112,660.76
4. Step 4: Simplify right side
   208,152.02x = 32,362,016,238.84
5. Step 5: Solve for x
   x = 32,362,016,238.84/208,152.02
6. Step 6: Final answer
   x = 155,472.99