Finding the Fourth Proportional to 1,158,459,818.99, 1,599,014,780.37 and 756,634,997.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158,459,818.99 : 1,599,014,780.37 = 756,634,997.07 : x
2. Step 2: Convert to fraction form
   1,158,459,818.99/1,599,014,780.37 = 756,634,997.07/x
3. Step 3: Cross multiply
   1,158,459,818.99x = 1,599,014,780.37 × 756,634,997.07
4. Step 4: Simplify right side
   1,158,459,818.99x = 1,209,870,543,660,141,568
5. Step 5: Solve for x
   x = 1,209,870,543,660,141,568/1,158,459,818.99
6. Step 6: Final answer
   x = 1,044,378,513.46