Finding the Fourth Proportional to 1,090,003,887.36, 1,503,980,818.56 and 626,340,291.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,090,003,887.36 : 1,503,980,818.56 = 626,340,291.84 : x
2. Step 2: Convert to fraction form
   1,090,003,887.36/1,503,980,818.56 = 626,340,291.84/x
3. Step 3: Cross multiply
   1,090,003,887.36x = 1,503,980,818.56 × 626,340,291.84
4. Step 4: Simplify right side
   1,090,003,887.36x = 942,003,784,818,632,448
5. Step 5: Solve for x
   x = 942,003,784,818,632,448/1,090,003,887.36
6. Step 6: Final answer
   x = 864,220,573.65