Finding the Fourth Proportional to 190,591.98, 262,844.82 and 118,978.62

Step by Step Solution

1. Step 1: Write the proportion equation
   190,591.98 : 262,844.82 = 118,978.62 : x
2. Step 2: Convert to fraction form
   190,591.98/262,844.82 = 118,978.62/x
3. Step 3: Cross multiply
   190,591.98x = 262,844.82 × 118,978.62
4. Step 4: Simplify right side
   190,591.98x = 31,272,913,957.75
5. Step 5: Solve for x
   x = 31,272,913,957.75/190,591.98
6. Step 6: Final answer
   x = 164,083.05