Finding the Fourth Proportional to 23,290,587.88, 32,140,593.18 and 12,694,073.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,290,587.88 : 32,140,593.18 = 12,694,073.12 : x
2. Step 2: Convert to fraction form
   23,290,587.88/32,140,593.18 = 12,694,073.12/x
3. Step 3: Cross multiply
   23,290,587.88x = 32,140,593.18 × 12,694,073.12
4. Step 4: Simplify right side
   23,290,587.88x = 407,995,039,947,093.31
5. Step 5: Solve for x
   x = 407,995,039,947,093.31/23,290,587.88
6. Step 6: Final answer
   x = 17,517,593.03