Finding the Fourth Proportional to 1,155,851.37, 1,733,345.73 and 397,477.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,851.37 : 1,733,345.73 = 397,477.94 : x
2. Step 2: Convert to fraction form
   1,155,851.37/1,733,345.73 = 397,477.94/x
3. Step 3: Cross multiply
   1,155,851.37x = 1,733,345.73 × 397,477.94
4. Step 4: Simplify right side
   1,155,851.37x = 688,966,681,401.47
5. Step 5: Solve for x
   x = 688,966,681,401.47/1,155,851.37
6. Step 6: Final answer
   x = 596,068.58