Finding the Fourth Proportional to 1,610,018,112.84, 2,415,080,977.89 and 445,389,076.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,610,018,112.84 : 2,415,080,977.89 = 445,389,076.19 : x
2. Step 2: Convert to fraction form
   1,610,018,112.84/2,415,080,977.89 = 445,389,076.19/x
3. Step 3: Cross multiply
   1,610,018,112.84x = 2,415,080,977.89 × 445,389,076.19
4. Step 4: Simplify right side
   1,610,018,112.84x = 1,075,650,685,654,393,472
5. Step 5: Solve for x
   x = 1,075,650,685,654,393,472/1,610,018,112.84
6. Step 6: Final answer
   x = 668,098,499.69