Finding the Fourth Proportional to 154,047.30, 212,471.55 and 97,404

Step by Step Solution

1. Step 1: Write the proportion equation
   154,047.30 : 212,471.55 = 97,404 : x
2. Step 2: Convert to fraction form
   154,047.30/212,471.55 = 97,404/x
3. Step 3: Cross multiply
   154,047.30x = 212,471.55 × 97,404
4. Step 4: Simplify right side
   154,047.30x = 20,695,578,856.20
5. Step 5: Solve for x
   x = 20,695,578,856.20/154,047.30
6. Step 6: Final answer
   x = 134,345.61