Finding the Fourth Proportional to 2,142,582,012.84, 2,956,751,294.76 and 1,202,784,406.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,582,012.84 : 2,956,751,294.76 = 1,202,784,406.32 : x
2. Step 2: Convert to fraction form
   2,142,582,012.84/2,956,751,294.76 = 1,202,784,406.32/x
3. Step 3: Cross multiply
   2,142,582,012.84x = 2,956,751,294.76 × 1,202,784,406.32
4. Step 4: Simplify right side
   2,142,582,012.84x = 3,556,334,350,703,797,760
5. Step 5: Solve for x
   x = 3,556,334,350,703,797,760/2,142,582,012.84
6. Step 6: Final answer
   x = 1,659,835,809.97