Finding the Fourth Proportional to 2,232,562,111.05, 3,080,974,895.10 and 1,215,316,789.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,232,562,111.05 : 3,080,974,895.10 = 1,215,316,789.23 : x
2. Step 2: Convert to fraction form
   2,232,562,111.05/3,080,974,895.10 = 1,215,316,789.23/x
3. Step 3: Cross multiply
   2,232,562,111.05x = 3,080,974,895.10 × 1,215,316,789.23
4. Step 4: Simplify right side
   2,232,562,111.05x = 3,744,360,517,211,168,256
5. Step 5: Solve for x
   x = 3,744,360,517,211,168,256/2,232,562,111.05
6. Step 6: Final answer
   x = 1,677,158,498.16