Finding the Fourth Proportional to 154,142.02, 212,599.10 and 132,667.30

Step by Step Solution

1. Step 1: Write the proportion equation
   154,142.02 : 212,599.10 = 132,667.30 : x
2. Step 2: Convert to fraction form
   154,142.02/212,599.10 = 132,667.30/x
3. Step 3: Cross multiply
   154,142.02x = 212,599.10 × 132,667.30
4. Step 4: Simplify right side
   154,142.02x = 28,204,948,579.43
5. Step 5: Solve for x
   x = 28,204,948,579.43/154,142.02
6. Step 6: Final answer
   x = 182,980.27