Finding the Fourth Proportional to 154,834.31, 213,592.56 and 101,150.75

Step by Step Solution

1. Step 1: Write the proportion equation
   154,834.31 : 213,592.56 = 101,150.75 : x
2. Step 2: Convert to fraction form
   154,834.31/213,592.56 = 101,150.75/x
3. Step 3: Cross multiply
   154,834.31x = 213,592.56 × 101,150.75
4. Step 4: Simplify right side
   154,834.31x = 21,605,047,638.42
5. Step 5: Solve for x
   x = 21,605,047,638.42/154,834.31
6. Step 6: Final answer
   x = 139,536.56