Finding the Fourth Proportional to 139,826.88, 193,034.12 and 109,134.07

Step by Step Solution

1. Step 1: Write the proportion equation
   139,826.88 : 193,034.12 = 109,134.07 : x
2. Step 2: Convert to fraction form
   139,826.88/193,034.12 = 109,134.07/x
3. Step 3: Cross multiply
   139,826.88x = 193,034.12 × 109,134.07
4. Step 4: Simplify right side
   139,826.88x = 21,066,598,136.21
5. Step 5: Solve for x
   x = 21,066,598,136.21/139,826.88
6. Step 6: Final answer
   x = 150,662.01