Finding the Fourth Proportional to 785,561.88, 1,084,106.70 and 446,061.72

Step by Step Solution

1. Step 1: Write the proportion equation
   785,561.88 : 1,084,106.70 = 446,061.72 : x
2. Step 2: Convert to fraction form
   785,561.88/1,084,106.70 = 446,061.72/x
3. Step 3: Cross multiply
   785,561.88x = 1,084,106.70 × 446,061.72
4. Step 4: Simplify right side
   785,561.88x = 483,578,499,265.52
5. Step 5: Solve for x
   x = 483,578,499,265.52/785,561.88
6. Step 6: Final answer
   x = 615,582.95