Finding the Fourth Proportional to 2,621,072,038.50, 3,931,622,755.42 and 874,269,979.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621,072,038.50 : 3,931,622,755.42 = 874,269,979.69 : x
2. Step 2: Convert to fraction form
   2,621,072,038.50/3,931,622,755.42 = 874,269,979.69/x
3. Step 3: Cross multiply
   2,621,072,038.50x = 3,931,622,755.42 × 874,269,979.69
4. Step 4: Simplify right side
   2,621,072,038.50x = 3,437,299,746,530,834,432
5. Step 5: Solve for x
   x = 3,437,299,746,530,834,432/2,621,072,038.50
6. Step 6: Final answer
   x = 1,311,409,872.01