Finding the Fourth Proportional to 1,664,085,820.10, 2,496,128,730.15 and 1,180,356,412.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664,085,820.10 : 2,496,128,730.15 = 1,180,356,412.10 : x
2. Step 2: Convert to fraction form
   1,664,085,820.10/2,496,128,730.15 = 1,180,356,412.10/x
3. Step 3: Cross multiply
   1,664,085,820.10x = 2,496,128,730.15 × 1,180,356,412.10
4. Step 4: Simplify right side
   1,664,085,820.10x = 2,946,321,552,059,582,976
5. Step 5: Solve for x
   x = 2,946,321,552,059,582,976/1,664,085,820.10
6. Step 6: Final answer
   x = 1,770,534,618.15