Finding the Fourth Proportional to 147,567, 203,643.18 and 80,499

Step by Step Solution

1. Step 1: Write the proportion equation
   147,567 : 203,643.18 = 80,499 : x
2. Step 2: Convert to fraction form
   147,567/203,643.18 = 80,499/x
3. Step 3: Cross multiply
   147,567x = 203,643.18 × 80,499
4. Step 4: Simplify right side
   147,567x = 16,393,072,346.82
5. Step 5: Solve for x
   x = 16,393,072,346.82/147,567
6. Step 6: Final answer
   x = 111,089.01