Finding the Fourth Proportional to 1,591,945.72, 2,385,925.45 and 1,253,650.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591,945.72 : 2,385,925.45 = 1,253,650.25 : x
2. Step 2: Convert to fraction form
   1,591,945.72/2,385,925.45 = 1,253,650.25/x
3. Step 3: Cross multiply
   1,591,945.72x = 2,385,925.45 × 1,253,650.25
4. Step 4: Simplify right side
   1,591,945.72x = 2,991,116,036,873.86
5. Step 5: Solve for x
   x = 2,991,116,036,873.86/1,591,945.72
6. Step 6: Final answer
   x = 1,878,905.79