Finding the Fourth Proportional to 154,856.72, 213,716.40 and 94,430.72

Step by Step Solution

1. Step 1: Write the proportion equation
   154,856.72 : 213,716.40 = 94,430.72 : x
2. Step 2: Convert to fraction form
   154,856.72/213,716.40 = 94,430.72/x
3. Step 3: Cross multiply
   154,856.72x = 213,716.40 × 94,430.72
4. Step 4: Simplify right side
   154,856.72x = 20,181,393,527.81
5. Step 5: Solve for x
   x = 20,181,393,527.81/154,856.72
6. Step 6: Final answer
   x = 130,323.01