Finding the Fourth Proportional to 23,756,624.76, 32,784,142.18 and 12,891,608.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,756,624.76 : 32,784,142.18 = 12,891,608.76 : x
2. Step 2: Convert to fraction form
   23,756,624.76/32,784,142.18 = 12,891,608.76/x
3. Step 3: Cross multiply
   23,756,624.76x = 32,784,142.18 × 12,891,608.76
4. Step 4: Simplify right side
   23,756,624.76x = 422,640,334,516,773.50
5. Step 5: Solve for x
   x = 422,640,334,516,773.50/23,756,624.76
6. Step 6: Final answer
   x = 17,790,420.09