Finding the Fourth Proportional to 2,781,605,466.72, 4,173,053,573.34 and 916,184,219.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,781,605,466.72 : 4,173,053,573.34 = 916,184,219.72 : x
2. Step 2: Convert to fraction form
   2,781,605,466.72/4,173,053,573.34 = 916,184,219.72/x
3. Step 3: Cross multiply
   2,781,605,466.72x = 4,173,053,573.34 × 916,184,219.72
4. Step 4: Simplify right side
   2,781,605,466.72x = 3,823,285,831,940,265,984
5. Step 5: Solve for x
   x = 3,823,285,831,940,265,984/2,781,605,466.72
6. Step 6: Final answer
   x = 1,374,488,897.75