Finding the Fourth Proportional to 6,929,139,667.96, 10,389,558,783.70 and 2,205,421,189.08

Step by Step Solution

1. Step 1: Write the proportion equation
   6,929,139,667.96 : 10,389,558,783.70 = 2,205,421,189.08 : x
2. Step 2: Convert to fraction form
   6,929,139,667.96/10,389,558,783.70 = 2,205,421,189.08/x
3. Step 3: Cross multiply
   6,929,139,667.96x = 10,389,558,783.70 × 2,205,421,189.08
4. Step 4: Simplify right side
   6,929,139,667.96x = 22,913,353,086,764,212,224
5. Step 5: Solve for x
   x = 22,913,353,086,764,212,224/6,929,139,667.96
6. Step 6: Final answer
   x = 3,306,810,684.26