Finding the Fourth Proportional to 12,483,009,920.28, 18,722,521,680.72 and 3,637,779,778.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,483,009,920.28 : 18,722,521,680.72 = 3,637,779,778.08 : x
2. Step 2: Convert to fraction form
   12,483,009,920.28/18,722,521,680.72 = 3,637,779,778.08/x
3. Step 3: Cross multiply
   12,483,009,920.28x = 18,722,521,680.72 × 3,637,779,778.08
4. Step 4: Simplify right side
   12,483,009,920.28x = 68,108,410,764,787,597,312
5. Step 5: Solve for x
   x = 68,108,410,764,787,597,312/12,483,009,920.28
6. Step 6: Final answer
   x = 5,456,088,811.89