Finding the Fourth Proportional to 10,018,433.83, 13,825,465.29 and 5,434,755.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,018,433.83 : 13,825,465.29 = 5,434,755.21 : x
2. Step 2: Convert to fraction form
   10,018,433.83/13,825,465.29 = 5,434,755.21/x
3. Step 3: Cross multiply
   10,018,433.83x = 13,825,465.29 × 5,434,755.21
4. Step 4: Simplify right side
   10,018,433.83x = 75,138,019,446,374.33
5. Step 5: Solve for x
   x = 75,138,019,446,374.33/10,018,433.83
6. Step 6: Final answer
   x = 7,499,976.62