Finding the Fourth Proportional to 1,566,090,150.72, 2,161,261,231.74 and 897,164,478.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566,090,150.72 : 2,161,261,231.74 = 897,164,478.30 : x
2. Step 2: Convert to fraction form
   1,566,090,150.72/2,161,261,231.74 = 897,164,478.30/x
3. Step 3: Cross multiply
   1,566,090,150.72x = 2,161,261,231.74 × 897,164,478.30
4. Step 4: Simplify right side
   1,566,090,150.72x = 1,939,006,805,444,032,256
5. Step 5: Solve for x
   x = 1,939,006,805,444,032,256/1,566,090,150.72
6. Step 6: Final answer
   x = 1,238,119,532.62