Finding the Fourth Proportional to 2,216,885,406.08, 3,059,309,964.76 and 1,199,610,837.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216,885,406.08 : 3,059,309,964.76 = 1,199,610,837.72 : x
2. Step 2: Convert to fraction form
   2,216,885,406.08/3,059,309,964.76 = 1,199,610,837.72/x
3. Step 3: Cross multiply
   2,216,885,406.08x = 3,059,309,964.76 × 1,199,610,837.72
4. Step 4: Simplify right side
   2,216,885,406.08x = 3,669,981,389,667,888,640
5. Step 5: Solve for x
   x = 3,669,981,389,667,888,640/2,216,885,406.08
6. Step 6: Final answer
   x = 1,655,467,341.53