Finding the Fourth Proportional to 162,051.30, 242,639.55 and 127,059.30

Step by Step Solution

1. Step 1: Write the proportion equation
   162,051.30 : 242,639.55 = 127,059.30 : x
2. Step 2: Convert to fraction form
   162,051.30/242,639.55 = 127,059.30/x
3. Step 3: Cross multiply
   162,051.30x = 242,639.55 × 127,059.30
4. Step 4: Simplify right side
   162,051.30x = 30,829,611,375.32
5. Step 5: Solve for x
   x = 30,829,611,375.32/162,051.30
6. Step 6: Final answer
   x = 190,246.00