Finding the Fourth Proportional to 1,087,010.76, 1,623,196.12 and 887,726.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087,010.76 : 1,623,196.12 = 887,726.46 : x
2. Step 2: Convert to fraction form
   1,087,010.76/1,623,196.12 = 887,726.46/x
3. Step 3: Cross multiply
   1,087,010.76x = 1,623,196.12 × 887,726.46
4. Step 4: Simplify right side
   1,087,010.76x = 1,440,954,153,522.22
5. Step 5: Solve for x
   x = 1,440,954,153,522.22/1,087,010.76
6. Step 6: Final answer
   x = 1,325,611.67