Finding the Fourth Proportional to 23,107,139.56, 31,888,848.81 and 12,793,862.58

Step by Step Solution

1. Step 1: Write the proportion equation
   23,107,139.56 : 31,888,848.81 = 12,793,862.58 : x
2. Step 2: Convert to fraction form
   23,107,139.56/31,888,848.81 = 12,793,862.58/x
3. Step 3: Cross multiply
   23,107,139.56x = 31,888,848.81 × 12,793,862.58
4. Step 4: Simplify right side
   23,107,139.56x = 407,981,549,509,536.50
5. Step 5: Solve for x
   x = 407,981,549,509,536.50/23,107,139.56
6. Step 6: Final answer
   x = 17,656,081.94