Finding the Fourth Proportional to 2,123,248.09, 3,184,852.69 and 860,775.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123,248.09 : 3,184,852.69 = 860,775.61 : x
2. Step 2: Convert to fraction form
   2,123,248.09/3,184,852.69 = 860,775.61/x
3. Step 3: Cross multiply
   2,123,248.09x = 3,184,852.69 × 860,775.61
4. Step 4: Simplify right side
   2,123,248.09x = 2,741,443,516,994.89
5. Step 5: Solve for x
   x = 2,741,443,516,994.89/2,123,248.09
6. Step 6: Final answer
   x = 1,291,155.53