Finding the Fourth Proportional to 23,290,117.12, 32,139,936.32 and 12,976,619.84

Step by Step Solution

1. Step 1: Write the proportion equation
   23,290,117.12 : 32,139,936.32 = 12,976,619.84 : x
2. Step 2: Convert to fraction form
   23,290,117.12/32,139,936.32 = 12,976,619.84/x
3. Step 3: Cross multiply
   23,290,117.12x = 32,139,936.32 × 12,976,619.84
4. Step 4: Simplify right side
   23,290,117.12x = 417,067,735,306,448.56
5. Step 5: Solve for x
   x = 417,067,735,306,448.56/23,290,117.12
6. Step 6: Final answer
   x = 17,907,498.41