Finding the Fourth Proportional to 7,208,817,932.96, 10,816,334,327.52 and 3,891,973,947.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,208,817,932.96 : 10,816,334,327.52 = 3,891,973,947.76 : x
2. Step 2: Convert to fraction form
   7,208,817,932.96/10,816,334,327.52 = 3,891,973,947.76/x
3. Step 3: Cross multiply
   7,208,817,932.96x = 10,816,334,327.52 × 3,891,973,947.76
4. Step 4: Simplify right side
   7,208,817,932.96x = 42,096,891,412,970,020,864
5. Step 5: Solve for x
   x = 42,096,891,412,970,020,864/7,208,817,932.96
6. Step 6: Final answer
   x = 5,839,638,593.24