Finding the Fourth Proportional to 2,103,139,380.90, 2,887,134,265.72 and 1,805,264,486.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103,139,380.90 : 2,887,134,265.72 = 1,805,264,486.07 : x
2. Step 2: Convert to fraction form
   2,103,139,380.90/2,887,134,265.72 = 1,805,264,486.07/x
3. Step 3: Cross multiply
   2,103,139,380.90x = 2,887,134,265.72 × 1,805,264,486.07
4. Step 4: Simplify right side
   2,103,139,380.90x = 5,212,040,956,420,102,144
5. Step 5: Solve for x
   x = 5,212,040,956,420,102,144/2,103,139,380.90
6. Step 6: Final answer
   x = 2,478,219,467.41