Finding the Fourth Proportional to 13,678,892, 20,523,990.16 and 5,998,562.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,678,892 : 20,523,990.16 = 5,998,562.72 : x
2. Step 2: Convert to fraction form
   13,678,892/20,523,990.16 = 5,998,562.72/x
3. Step 3: Cross multiply
   13,678,892x = 20,523,990.16 × 5,998,562.72
4. Step 4: Simplify right side
   13,678,892x = 123,114,442,239,422.83
5. Step 5: Solve for x
   x = 123,114,442,239,422.83/13,678,892
6. Step 6: Final answer
   x = 9,000,322.70