Finding the Fourth Proportional to 1,231,812.56, 1,701,075.24 and 1,164,722.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,231,812.56 : 1,701,075.24 = 1,164,722.72 : x
2. Step 2: Convert to fraction form
   1,231,812.56/1,701,075.24 = 1,164,722.72/x
3. Step 3: Cross multiply
   1,231,812.56x = 1,701,075.24 × 1,164,722.72
4. Step 4: Simplify right side
   1,231,812.56x = 1,981,280,980,457.45
5. Step 5: Solve for x
   x = 1,981,280,980,457.45/1,231,812.56
6. Step 6: Final answer
   x = 1,608,427.32