Finding the Fourth Proportional to 1,554,079.77, 2,144,783.61 and 909,461.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554,079.77 : 2,144,783.61 = 909,461.52 : x
2. Step 2: Convert to fraction form
   1,554,079.77/2,144,783.61 = 909,461.52/x
3. Step 3: Cross multiply
   1,554,079.77x = 2,144,783.61 × 909,461.52
4. Step 4: Simplify right side
   1,554,079.77x = 1,950,598,162,021.69
5. Step 5: Solve for x
   x = 1,950,598,162,021.69/1,554,079.77
6. Step 6: Final answer
   x = 1,255,146.74