Finding the Fourth Proportional to 7,312,528,978.79, 10,965,335,655.06 and 2,832,721,742.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,312,528,978.79 : 10,965,335,655.06 = 2,832,721,742.88 : x
2. Step 2: Convert to fraction form
   7,312,528,978.79/10,965,335,655.06 = 2,832,721,742.88/x
3. Step 3: Cross multiply
   7,312,528,978.79x = 10,965,335,655.06 × 2,832,721,742.88
4. Step 4: Simplify right side
   7,312,528,978.79x = 31,061,744,728,065,769,472
5. Step 5: Solve for x
   x = 31,061,744,728,065,769,472/7,312,528,978.79
6. Step 6: Final answer
   x = 4,247,743,129.39