Finding the Fourth Proportional to 139,288.91, 191,874.38 and 118,804.24

Step by Step Solution

1. Step 1: Write the proportion equation
   139,288.91 : 191,874.38 = 118,804.24 : x
2. Step 2: Convert to fraction form
   139,288.91/191,874.38 = 118,804.24/x
3. Step 3: Cross multiply
   139,288.91x = 191,874.38 × 118,804.24
4. Step 4: Simplify right side
   139,288.91x = 22,795,488,337.98
5. Step 5: Solve for x
   x = 22,795,488,337.98/139,288.91
6. Step 6: Final answer
   x = 163,656.17