Finding the Fourth Proportional to 22,486,082.32, 31,030,804 and 12,172,805.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,486,082.32 : 31,030,804 = 12,172,805.42 : x
2. Step 2: Convert to fraction form
   22,486,082.32/31,030,804 = 12,172,805.42/x
3. Step 3: Cross multiply
   22,486,082.32x = 31,030,804 × 12,172,805.42
4. Step 4: Simplify right side
   22,486,082.32x = 377,731,939,118,157.69
5. Step 5: Solve for x
   x = 377,731,939,118,157.69/22,486,082.32
6. Step 6: Final answer
   x = 16,798,477.11