Finding the Fourth Proportional to 12,578,300.20, 18,867,479.51 and 3,824,659.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,578,300.20 : 18,867,479.51 = 3,824,659.10 : x
2. Step 2: Convert to fraction form
   12,578,300.20/18,867,479.51 = 3,824,659.10/x
3. Step 3: Cross multiply
   12,578,300.20x = 18,867,479.51 × 3,824,659.10
4. Step 4: Simplify right side
   12,578,300.20x = 72,161,677,182,861.75
5. Step 5: Solve for x
   x = 72,161,677,182,861.75/12,578,300.20
6. Step 6: Final answer
   x = 5,736,997.53