Finding the Fourth Proportional to 11,478,105, 15,821,323.32 and 7,755,773.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,478,105 : 15,821,323.32 = 7,755,773.58 : x
2. Step 2: Convert to fraction form
   11,478,105/15,821,323.32 = 7,755,773.58/x
3. Step 3: Cross multiply
   11,478,105x = 15,821,323.32 × 7,755,773.58
4. Step 4: Simplify right side
   11,478,105x = 122,706,601,405,893.89
5. Step 5: Solve for x
   x = 122,706,601,405,893.89/11,478,105
6. Step 6: Final answer
   x = 10,690,493.02