Finding the Fourth Proportional to 1,095,024,700.42, 1,642,537,069.60 and 265,972,756.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095,024,700.42 : 1,642,537,069.60 = 265,972,756.56 : x
2. Step 2: Convert to fraction form
   1,095,024,700.42/1,642,537,069.60 = 265,972,756.56/x
3. Step 3: Cross multiply
   1,095,024,700.42x = 1,642,537,069.60 × 265,972,756.56
4. Step 4: Simplify right side
   1,095,024,700.42x = 436,870,112,148,523,648
5. Step 5: Solve for x
   x = 436,870,112,148,523,648/1,095,024,700.42
6. Step 6: Final answer
   x = 398,959,139.44