Finding the Fourth Proportional to 23,107,138.56, 31,888,847.43 and 12,793,861.58

Step by Step Solution

1. Step 1: Write the proportion equation
   23,107,138.56 : 31,888,847.43 = 12,793,861.58 : x
2. Step 2: Convert to fraction form
   23,107,138.56/31,888,847.43 = 12,793,861.58/x
3. Step 3: Cross multiply
   23,107,138.56x = 31,888,847.43 × 12,793,861.58
4. Step 4: Simplify right side
   23,107,138.56x = 407,981,499,805,714.50
5. Step 5: Solve for x
   x = 407,981,499,805,714.50/23,107,138.56
6. Step 6: Final answer
   x = 17,656,080.55