Finding the Fourth Proportional to 154,262, 212,881.56 and 83,606

Step by Step Solution

1. Step 1: Write the proportion equation
   154,262 : 212,881.56 = 83,606 : x
2. Step 2: Convert to fraction form
   154,262/212,881.56 = 83,606/x
3. Step 3: Cross multiply
   154,262x = 212,881.56 × 83,606
4. Step 4: Simplify right side
   154,262x = 17,798,175,705.36
5. Step 5: Solve for x
   x = 17,798,175,705.36/154,262
6. Step 6: Final answer
   x = 115,376.28