Finding the Fourth Proportional to 1,105,681.47, 1,525,822.56 and 622,246.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,681.47 : 1,525,822.56 = 622,246.34 : x
2. Step 2: Convert to fraction form
   1,105,681.47/1,525,822.56 = 622,246.34/x
3. Step 3: Cross multiply
   1,105,681.47x = 1,525,822.56 × 622,246.34
4. Step 4: Simplify right side
   1,105,681.47x = 949,437,495,820.32
5. Step 5: Solve for x
   x = 949,437,495,820.32/1,105,681.47
6. Step 6: Final answer
   x = 858,689.89