Finding the Fourth Proportional to 1,131,818.24, 1,561,938.72 and 622,533.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,818.24 : 1,561,938.72 = 622,533.98 : x
2. Step 2: Convert to fraction form
   1,131,818.24/1,561,938.72 = 622,533.98/x
3. Step 3: Cross multiply
   1,131,818.24x = 1,561,938.72 × 622,533.98
4. Step 4: Simplify right side
   1,131,818.24x = 972,359,927,877.71
5. Step 5: Solve for x
   x = 972,359,927,877.71/1,131,818.24
6. Step 6: Final answer
   x = 859,113.15