Finding the Fourth Proportional to 23,399,112.72, 32,290,665.18 and 13,085,876.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,399,112.72 : 32,290,665.18 = 13,085,876.82 : x
2. Step 2: Convert to fraction form
   23,399,112.72/32,290,665.18 = 13,085,876.82/x
3. Step 3: Cross multiply
   23,399,112.72x = 32,290,665.18 × 13,085,876.82
4. Step 4: Simplify right side
   23,399,112.72x = 422,551,666,981,343.12
5. Step 5: Solve for x
   x = 422,551,666,981,343.12/23,399,112.72
6. Step 6: Final answer
   x = 18,058,448.29