Finding the Fourth Proportional to 1,018,426.55, 1,525,622.27 and 697,790.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,426.55 : 1,525,622.27 = 697,790.48 : x
2. Step 2: Convert to fraction form
   1,018,426.55/1,525,622.27 = 697,790.48/x
3. Step 3: Cross multiply
   1,018,426.55x = 1,525,622.27 × 697,790.48
4. Step 4: Simplify right side
   1,018,426.55x = 1,064,564,684,964.93
5. Step 5: Solve for x
   x = 1,064,564,684,964.93/1,018,426.55
6. Step 6: Final answer
   x = 1,045,303.36