Finding the Fourth Proportional to 1,283,647.56, 1,925,874.18 and 771,901.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,283,647.56 : 1,925,874.18 = 771,901.72 : x
2. Step 2: Convert to fraction form
   1,283,647.56/1,925,874.18 = 771,901.72/x
3. Step 3: Cross multiply
   1,283,647.56x = 1,925,874.18 × 771,901.72
4. Step 4: Simplify right side
   1,283,647.56x = 1,486,585,592,045.59
5. Step 5: Solve for x
   x = 1,486,585,592,045.59/1,283,647.56
6. Step 6: Final answer
   x = 1,158,094.82