Finding the Fourth Proportional to 1,108,023.31, 1,528,980.27 and 624,707.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108,023.31 : 1,528,980.27 = 624,707.23 : x
2. Step 2: Convert to fraction form
   1,108,023.31/1,528,980.27 = 624,707.23/x
3. Step 3: Cross multiply
   1,108,023.31x = 1,528,980.27 × 624,707.23
4. Step 4: Simplify right side
   1,108,023.31x = 955,165,029,196.35
5. Step 5: Solve for x
   x = 955,165,029,196.35/1,108,023.31
6. Step 6: Final answer
   x = 862,044.17