Finding the Fourth Proportional to 2,286,947.61, 3,430,738.17 and 771,064.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,286,947.61 : 3,430,738.17 = 771,064.47 : x
2. Step 2: Convert to fraction form
   2,286,947.61/3,430,738.17 = 771,064.47/x
3. Step 3: Cross multiply
   2,286,947.61x = 3,430,738.17 × 771,064.47
4. Step 4: Simplify right side
   2,286,947.61x = 2,645,320,308,759.82
5. Step 5: Solve for x
   x = 2,645,320,308,759.82/2,286,947.61
6. Step 6: Final answer
   x = 1,156,703.50