Finding the Fourth Proportional to 2,075,408.75, 3,113,715.45 and 860,762.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075,408.75 : 3,113,715.45 = 860,762.61 : x
2. Step 2: Convert to fraction form
   2,075,408.75/3,113,715.45 = 860,762.61/x
3. Step 3: Cross multiply
   2,075,408.75x = 3,113,715.45 × 860,762.61
4. Step 4: Simplify right side
   2,075,408.75x = 2,680,169,852,443.62
5. Step 5: Solve for x
   x = 2,680,169,852,443.62/2,075,408.75
6. Step 6: Final answer
   x = 1,291,393.74