Finding the Fourth Proportional to 2,191,470,410.66, 3,026,742,488.22 and 1,442,128,869.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,470,410.66 : 3,026,742,488.22 = 1,442,128,869.42 : x
2. Step 2: Convert to fraction form
   2,191,470,410.66/3,026,742,488.22 = 1,442,128,869.42/x
3. Step 3: Cross multiply
   2,191,470,410.66x = 3,026,742,488.22 × 1,442,128,869.42
4. Step 4: Simplify right side
   2,191,470,410.66x = 4,364,952,722,562,186,240
5. Step 5: Solve for x
   x = 4,364,952,722,562,186,240/2,191,470,410.66
6. Step 6: Final answer
   x = 1,991,791,767.45