Finding the Fourth Proportional to 1,488,076.04, 2,231,578.83 and 515,176.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488,076.04 : 2,231,578.83 = 515,176.15 : x
2. Step 2: Convert to fraction form
   1,488,076.04/2,231,578.83 = 515,176.15/x
3. Step 3: Cross multiply
   1,488,076.04x = 2,231,578.83 × 515,176.15
4. Step 4: Simplify right side
   1,488,076.04x = 1,149,656,190,060.90
5. Step 5: Solve for x
   x = 1,149,656,190,060.90/1,488,076.04
6. Step 6: Final answer
   x = 772,578.93