Finding the Fourth Proportional to 2,621,072,501.86, 3,931,623,451.32 and 874,270,443.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621,072,501.86 : 3,931,623,451.32 = 874,270,443.01 : x
2. Step 2: Convert to fraction form
   2,621,072,501.86/3,931,623,451.32 = 874,270,443.01/x
3. Step 3: Cross multiply
   2,621,072,501.86x = 3,931,623,451.32 × 874,270,443.01
4. Step 4: Simplify right side
   2,621,072,501.86x = 3,437,302,176,534,041,600
5. Step 5: Solve for x
   x = 3,437,302,176,534,041,600/2,621,072,501.86
6. Step 6: Final answer
   x = 1,311,410,567.28