Finding the Fourth Proportional to 1,105,771.50, 1,526,111.28 and 622,430.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,771.50 : 1,526,111.28 = 622,430.46 : x
2. Step 2: Convert to fraction form
   1,105,771.50/1,526,111.28 = 622,430.46/x
3. Step 3: Cross multiply
   1,105,771.50x = 1,526,111.28 × 622,430.46
4. Step 4: Simplify right side
   1,105,771.50x = 949,898,146,021.59
5. Step 5: Solve for x
   x = 949,898,146,021.59/1,105,771.50
6. Step 6: Final answer
   x = 859,036.56