Finding the Fourth Proportional to 185,883, 278,667.72 and 80,622.68

Step by Step Solution

1. Step 1: Write the proportion equation
   185,883 : 278,667.72 = 80,622.68 : x
2. Step 2: Convert to fraction form
   185,883/278,667.72 = 80,622.68/x
3. Step 3: Cross multiply
   185,883x = 278,667.72 × 80,622.68
4. Step 4: Simplify right side
   185,883x = 22,466,938,415.89
5. Step 5: Solve for x
   x = 22,466,938,415.89/185,883
6. Step 6: Final answer
   x = 120,866.02