Finding the Fourth Proportional to 208,762.98, 288,091.24 and 118,118.17

Step by Step Solution

1. Step 1: Write the proportion equation
   208,762.98 : 288,091.24 = 118,118.17 : x
2. Step 2: Convert to fraction form
   208,762.98/288,091.24 = 118,118.17/x
3. Step 3: Cross multiply
   208,762.98x = 288,091.24 × 118,118.17
4. Step 4: Simplify right side
   208,762.98x = 34,028,810,061.83
5. Step 5: Solve for x
   x = 34,028,810,061.83/208,762.98
6. Step 6: Final answer
   x = 163,002.13