Finding the Fourth Proportional to 22,486,189.74, 31,030,951.86 and 12,172,912.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,486,189.74 : 31,030,951.86 = 12,172,912.50 : x
2. Step 2: Convert to fraction form
   22,486,189.74/31,030,951.86 = 12,172,912.50/x
3. Step 3: Cross multiply
   22,486,189.74x = 31,030,951.86 × 12,172,912.50
4. Step 4: Simplify right side
   22,486,189.74x = 377,737,061,783,492.25
5. Step 5: Solve for x
   x = 377,737,061,783,492.25/22,486,189.74
6. Step 6: Final answer
   x = 16,798,624.67