Finding the Fourth Proportional to 12,259,947.42, 18,389,916.27 and 5,693,990.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,259,947.42 : 18,389,916.27 = 5,693,990.22 : x
2. Step 2: Convert to fraction form
   12,259,947.42/18,389,916.27 = 5,693,990.22/x
3. Step 3: Cross multiply
   12,259,947.42x = 18,389,916.27 × 5,693,990.22
4. Step 4: Simplify right side
   12,259,947.42x = 104,712,003,387,998.88
5. Step 5: Solve for x
   x = 104,712,003,387,998.88/12,259,947.42
6. Step 6: Final answer
   x = 8,540,983.07