Finding the Fourth Proportional to 1,496,056,174.80, 2,064,459,139.56 and 860,874,147.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,496,056,174.80 : 2,064,459,139.56 = 860,874,147.12 : x
2. Step 2: Convert to fraction form
   1,496,056,174.80/2,064,459,139.56 = 860,874,147.12/x
3. Step 3: Cross multiply
   1,496,056,174.80x = 2,064,459,139.56 × 860,874,147.12
4. Step 4: Simplify right side
   1,496,056,174.80x = 1,777,239,501,032,804,096
5. Step 5: Solve for x
   x = 1,777,239,501,032,804,096/1,496,056,174.80
6. Step 6: Final answer
   x = 1,187,949,711.36