Finding the Fourth Proportional to 1,629,611,667.36, 2,248,918,421.52 and 915,273,105.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,629,611,667.36 : 2,248,918,421.52 = 915,273,105.12 : x
2. Step 2: Convert to fraction form
   1,629,611,667.36/2,248,918,421.52 = 915,273,105.12/x
3. Step 3: Cross multiply
   1,629,611,667.36x = 2,248,918,421.52 × 915,273,105.12
4. Step 4: Simplify right side
   1,629,611,667.36x = 2,058,374,546,826,179,328
5. Step 5: Solve for x
   x = 2,058,374,546,826,179,328/1,629,611,667.36
6. Step 6: Final answer
   x = 1,263,107,394.27