Finding the Fourth Proportional to 22,687,530.69, 31,309,165.61 and 12,374,253.75

Step by Step Solution

1. Step 1: Write the proportion equation
   22,687,530.69 : 31,309,165.61 = 12,374,253.75 : x
2. Step 2: Convert to fraction form
   22,687,530.69/31,309,165.61 = 12,374,253.75/x
3. Step 3: Cross multiply
   22,687,530.69x = 31,309,165.61 × 12,374,253.75
4. Step 4: Simplify right side
   22,687,530.69x = 387,427,559,958,913.50
5. Step 5: Solve for x
   x = 387,427,559,958,913.50/22,687,530.69
6. Step 6: Final answer
   x = 17,076,673.76