Finding the Fourth Proportional to 162,308.30, 243,025.05 and 127,316.30

Step by Step Solution

1. Step 1: Write the proportion equation
   162,308.30 : 243,025.05 = 127,316.30 : x
2. Step 2: Convert to fraction form
   162,308.30/243,025.05 = 127,316.30/x
3. Step 3: Cross multiply
   162,308.30x = 243,025.05 × 127,316.30
4. Step 4: Simplify right side
   162,308.30x = 30,941,050,173.32
5. Step 5: Solve for x
   x = 30,941,050,173.32/162,308.30
6. Step 6: Final answer
   x = 190,631.35