Finding the Fourth Proportional to 2,103,139,379.90, 2,887,134,264.34 and 1,805,264,485.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103,139,379.90 : 2,887,134,264.34 = 1,805,264,485.07 : x
2. Step 2: Convert to fraction form
   2,103,139,379.90/2,887,134,264.34 = 1,805,264,485.07/x
3. Step 3: Cross multiply
   2,103,139,379.90x = 2,887,134,264.34 × 1,805,264,485.07
4. Step 4: Simplify right side
   2,103,139,379.90x = 5,212,040,951,032,864,768
5. Step 5: Solve for x
   x = 5,212,040,951,032,864,768/2,103,139,379.90
6. Step 6: Final answer
   x = 2,478,219,466.02