Finding the Fourth Proportional to 199,192.47, 274,764.73 and 118,566.15

Step by Step Solution

1. Step 1: Write the proportion equation
   199,192.47 : 274,764.73 = 118,566.15 : x
2. Step 2: Convert to fraction form
   199,192.47/274,764.73 = 118,566.15/x
3. Step 3: Cross multiply
   199,192.47x = 274,764.73 × 118,566.15
4. Step 4: Simplify right side
   199,192.47x = 32,577,796,191.89
5. Step 5: Solve for x
   x = 32,577,796,191.89/199,192.47
6. Step 6: Final answer
   x = 163,549.34