Finding the Fourth Proportional to 2,490,623,034.89, 3,736,878,109.21 and 1,495,339,112.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490,623,034.89 : 3,736,878,109.21 = 1,495,339,112.20 : x
2. Step 2: Convert to fraction form
   2,490,623,034.89/3,736,878,109.21 = 1,495,339,112.20/x
3. Step 3: Cross multiply
   2,490,623,034.89x = 3,736,878,109.21 × 1,495,339,112.20
4. Step 4: Simplify right side
   2,490,623,034.89x = 5,587,899,994,207,011,840
5. Step 5: Solve for x
   x = 5,587,899,994,207,011,840/2,490,623,034.89
6. Step 6: Final answer
   x = 2,243,575,168.12