Finding the Fourth Proportional to 1,425,518.47, 1,967,132.82 and 780,826.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425,518.47 : 1,967,132.82 = 780,826.42 : x
2. Step 2: Convert to fraction form
   1,425,518.47/1,967,132.82 = 780,826.42/x
3. Step 3: Cross multiply
   1,425,518.47x = 1,967,132.82 × 780,826.42
4. Step 4: Simplify right side
   1,425,518.47x = 1,535,989,277,505.10
5. Step 5: Solve for x
   x = 1,535,989,277,505.10/1,425,518.47
6. Step 6: Final answer
   x = 1,077,495.18