Finding the Fourth Proportional to 1,073,249.31, 1,607,216.73 and 788,264.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073,249.31 : 1,607,216.73 = 788,264.07 : x
2. Step 2: Convert to fraction form
   1,073,249.31/1,607,216.73 = 788,264.07/x
3. Step 3: Cross multiply
   1,073,249.31x = 1,607,216.73 × 788,264.07
4. Step 4: Simplify right side
   1,073,249.31x = 1,266,911,200,961.89
5. Step 5: Solve for x
   x = 1,266,911,200,961.89/1,073,249.31
6. Step 6: Final answer
   x = 1,180,444.46