Finding the Fourth Proportional to 22,471,580.67, 31,010,560.88 and 12,158,077.47

Step by Step Solution

1. Step 1: Write the proportion equation
   22,471,580.67 : 31,010,560.88 = 12,158,077.47 : x
2. Step 2: Convert to fraction form
   22,471,580.67/31,010,560.88 = 12,158,077.47/x
3. Step 3: Cross multiply
   22,471,580.67x = 31,010,560.88 × 12,158,077.47
4. Step 4: Simplify right side
   22,471,580.67x = 377,028,801,506,401
5. Step 5: Solve for x
   x = 377,028,801,506,401/22,471,580.67
6. Step 6: Final answer
   x = 16,778,027.64