Finding the Fourth Proportional to 1,059,972.76, 1,462,629.55 and 716,555.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059,972.76 : 1,462,629.55 = 716,555.89 : x
2. Step 2: Convert to fraction form
   1,059,972.76/1,462,629.55 = 716,555.89/x
3. Step 3: Cross multiply
   1,059,972.76x = 1,462,629.55 × 716,555.89
4. Step 4: Simplify right side
   1,059,972.76x = 1,048,055,818,940.55
5. Step 5: Solve for x
   x = 1,048,055,818,940.55/1,059,972.76
6. Step 6: Final answer
   x = 988,757.31