Finding the Fourth Proportional to 12,017,003.76, 18,023,551.92 and 3,929,856.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,017,003.76 : 18,023,551.92 = 3,929,856.84 : x
2. Step 2: Convert to fraction form
   12,017,003.76/18,023,551.92 = 3,929,856.84/x
3. Step 3: Cross multiply
   12,017,003.76x = 18,023,551.92 × 3,929,856.84
4. Step 4: Simplify right side
   12,017,003.76x = 70,829,978,793,907.14
5. Step 5: Solve for x
   x = 70,829,978,793,907.14/12,017,003.76
6. Step 6: Final answer
   x = 5,894,146.35