Finding the Fourth Proportional to 10,788,693.78, 16,157,188.31 and 7,862,945.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,788,693.78 : 16,157,188.31 = 7,862,945.03 : x
2. Step 2: Convert to fraction form
   10,788,693.78/16,157,188.31 = 7,862,945.03/x
3. Step 3: Cross multiply
   10,788,693.78x = 16,157,188.31 × 7,862,945.03
4. Step 4: Simplify right side
   10,788,693.78x = 127,043,083,400,787.94
5. Step 5: Solve for x
   x = 127,043,083,400,787.94/10,788,693.78
6. Step 6: Final answer
   x = 11,775,575.99