Finding the Fourth Proportional to 2,191,612,868.92, 3,024,429,796.56 and 1,188,027,331.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,612,868.92 : 3,024,429,796.56 = 1,188,027,331.48 : x
2. Step 2: Convert to fraction form
   2,191,612,868.92/3,024,429,796.56 = 1,188,027,331.48/x
3. Step 3: Cross multiply
   2,191,612,868.92x = 3,024,429,796.56 × 1,188,027,331.48
4. Step 4: Simplify right side
   2,191,612,868.92x = 3,593,105,260,455,776,256
5. Step 5: Solve for x
   x = 3,593,105,260,455,776,256/2,191,612,868.92
6. Step 6: Final answer
   x = 1,639,479,906.06