Finding the Fourth Proportional to 1,051,064,040.19, 1,449,784,932.72 and 674,123,578.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051,064,040.19 : 1,449,784,932.72 = 674,123,578.09 : x
2. Step 2: Convert to fraction form
   1,051,064,040.19/1,449,784,932.72 = 674,123,578.09/x
3. Step 3: Cross multiply
   1,051,064,040.19x = 1,449,784,932.72 × 674,123,578.09
4. Step 4: Simplify right side
   1,051,064,040.19x = 977,334,206,310,550,144
5. Step 5: Solve for x
   x = 977,334,206,310,550,144/1,051,064,040.19
6. Step 6: Final answer
   x = 929,852,196.38