Finding the Fourth Proportional to 22,670,263.50, 31,285,274.56 and 12,356,964.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,670,263.50 : 31,285,274.56 = 12,356,964.42 : x
2. Step 2: Convert to fraction form
   22,670,263.50/31,285,274.56 = 12,356,964.42/x
3. Step 3: Cross multiply
   22,670,263.50x = 31,285,274.56 × 12,356,964.42
4. Step 4: Simplify right side
   22,670,263.50x = 386,591,024,607,851.12
5. Step 5: Solve for x
   x = 386,591,024,607,851.12/22,670,263.50
6. Step 6: Final answer
   x = 17,052,780.38