Finding the Fourth Proportional to 1,009,111,723.68, 1,392,366,191.76 and 579,866,080.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,111,723.68 : 1,392,366,191.76 = 579,866,080.56 : x
2. Step 2: Convert to fraction form
   1,009,111,723.68/1,392,366,191.76 = 579,866,080.56/x
3. Step 3: Cross multiply
   1,009,111,723.68x = 1,392,366,191.76 × 579,866,080.56
4. Step 4: Simplify right side
   1,009,111,723.68x = 807,385,926,320,124,544
5. Step 5: Solve for x
   x = 807,385,926,320,124,544/1,009,111,723.68
6. Step 6: Final answer
   x = 800,095,675.61