Finding the Fourth Proportional to 208,397.83, 287,483.29 and 131,787.82

Step by Step Solution

1. Step 1: Write the proportion equation
   208,397.83 : 287,483.29 = 131,787.82 : x
2. Step 2: Convert to fraction form
   208,397.83/287,483.29 = 131,787.82/x
3. Step 3: Cross multiply
   208,397.83x = 287,483.29 × 131,787.82
4. Step 4: Simplify right side
   208,397.83x = 37,886,796,075.53
5. Step 5: Solve for x
   x = 37,886,796,075.53/208,397.83
6. Step 6: Final answer
   x = 181,800.34