Finding the Fourth Proportional to 2,536,178,821.68, 3,499,952,123.16 and 1,422,320,994.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,536,178,821.68 : 3,499,952,123.16 = 1,422,320,994.48 : x
2. Step 2: Convert to fraction form
   2,536,178,821.68/3,499,952,123.16 = 1,422,320,994.48/x
3. Step 3: Cross multiply
   2,536,178,821.68x = 3,499,952,123.16 × 1,422,320,994.48
4. Step 4: Simplify right side
   2,536,178,821.68x = 4,978,055,384,445,318,144
5. Step 5: Solve for x
   x = 4,978,055,384,445,318,144/2,536,178,821.68
6. Step 6: Final answer
   x = 1,962,817,188.56