Finding the Fourth Proportional to 1,155,112.16, 1,593,414.82 and 671,623.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,112.16 : 1,593,414.82 = 671,623.88 : x
2. Step 2: Convert to fraction form
   1,155,112.16/1,593,414.82 = 671,623.88/x
3. Step 3: Cross multiply
   1,155,112.16x = 1,593,414.82 × 671,623.88
4. Step 4: Simplify right side
   1,155,112.16x = 1,070,175,443,857.90
5. Step 5: Solve for x
   x = 1,070,175,443,857.90/1,155,112.16
6. Step 6: Final answer
   x = 926,468.86