Finding the Fourth Proportional to 208,483.63, 287,705.32 and 116,601.96

Step by Step Solution

1. Step 1: Write the proportion equation
   208,483.63 : 287,705.32 = 116,601.96 : x
2. Step 2: Convert to fraction form
   208,483.63/287,705.32 = 116,601.96/x
3. Step 3: Cross multiply
   208,483.63x = 287,705.32 × 116,601.96
4. Step 4: Simplify right side
   208,483.63x = 33,547,002,574.30
5. Step 5: Solve for x
   x = 33,547,002,574.30/208,483.63
6. Step 6: Final answer
   x = 160,909.52