Finding the Fourth Proportional to 2,642,390,608.80, 3,646,604,108.16 and 1,453,057,085.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642,390,608.80 : 3,646,604,108.16 = 1,453,057,085.28 : x
2. Step 2: Convert to fraction form
   2,642,390,608.80/3,646,604,108.16 = 1,453,057,085.28/x
3. Step 3: Cross multiply
   2,642,390,608.80x = 3,646,604,108.16 × 1,453,057,085.28
4. Step 4: Simplify right side
   2,642,390,608.80x = 5,298,723,936,573,042,688
5. Step 5: Solve for x
   x = 5,298,723,936,573,042,688/2,642,390,608.80
6. Step 6: Final answer
   x = 2,005,276,554.85