Finding the Fourth Proportional to 2,803,147,622.56, 3,868,368,783.60 and 1,550,168,783.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,803,147,622.56 : 3,868,368,783.60 = 1,550,168,783.20 : x
2. Step 2: Convert to fraction form
   2,803,147,622.56/3,868,368,783.60 = 1,550,168,783.20/x
3. Step 3: Cross multiply
   2,803,147,622.56x = 3,868,368,783.60 × 1,550,168,783.20
4. Step 4: Simplify right side
   2,803,147,622.56x = 5,996,624,530,242,075,648
5. Step 5: Solve for x
   x = 5,996,624,530,242,075,648/2,803,147,622.56
6. Step 6: Final answer
   x = 2,139,246,781.72