Finding the Fourth Proportional to 10,678,938.59, 16,018,238.20 and 2,591,981.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,678,938.59 : 16,018,238.20 = 2,591,981.15 : x
2. Step 2: Convert to fraction form
   10,678,938.59/16,018,238.20 = 2,591,981.15/x
3. Step 3: Cross multiply
   10,678,938.59x = 16,018,238.20 × 2,591,981.15
4. Step 4: Simplify right side
   10,678,938.59x = 41,518,971,470,609.93
5. Step 5: Solve for x
   x = 41,518,971,470,609.93/10,678,938.59
6. Step 6: Final answer
   x = 3,887,930.54