Finding the Fourth Proportional to 154,776.98, 213,513.59 and 101,093.42

Step by Step Solution

1. Step 1: Write the proportion equation
   154,776.98 : 213,513.59 = 101,093.42 : x
2. Step 2: Convert to fraction form
   154,776.98/213,513.59 = 101,093.42/x
3. Step 3: Cross multiply
   154,776.98x = 213,513.59 × 101,093.42
4. Step 4: Simplify right side
   154,776.98x = 21,584,819,816.10
5. Step 5: Solve for x
   x = 21,584,819,816.10/154,776.98
6. Step 6: Final answer
   x = 139,457.56