Finding the Fourth Proportional to 162,671.06, 243,074.15 and 123,988.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,671.06 : 243,074.15 = 123,988.50 : x
2. Step 2: Convert to fraction form
   162,671.06/243,074.15 = 123,988.50/x
3. Step 3: Cross multiply
   162,671.06x = 243,074.15 × 123,988.50
4. Step 4: Simplify right side
   162,671.06x = 30,138,398,627.33
5. Step 5: Solve for x
   x = 30,138,398,627.33/162,671.06
6. Step 6: Final answer
   x = 185,272.04