Finding the Fourth Proportional to 915,912.02, 1,262,498.18 and 722,003.51

Step by Step Solution

1. Step 1: Write the proportion equation
   915,912.02 : 1,262,498.18 = 722,003.51 : x
2. Step 2: Convert to fraction form
   915,912.02/1,262,498.18 = 722,003.51/x
3. Step 3: Cross multiply
   915,912.02x = 1,262,498.18 × 722,003.51
4. Step 4: Simplify right side
   915,912.02x = 911,528,107,406.10
5. Step 5: Solve for x
   x = 911,528,107,406.10/915,912.02
6. Step 6: Final answer
   x = 995,213.61