Finding the Fourth Proportional to 1,605,550,054.03, 2,215,674,184.83 and 900,717,164.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605,550,054.03 : 2,215,674,184.83 = 900,717,164.47 : x
2. Step 2: Convert to fraction form
   1,605,550,054.03/2,215,674,184.83 = 900,717,164.47/x
3. Step 3: Cross multiply
   1,605,550,054.03x = 2,215,674,184.83 × 900,717,164.47
4. Step 4: Simplify right side
   1,605,550,054.03x = 1,995,695,769,147,845,376
5. Step 5: Solve for x
   x = 1,995,695,769,147,845,376/1,605,550,054.03
6. Step 6: Final answer
   x = 1,242,998,163.86