Finding the Fourth Proportional to 1,397,559.48, 1,928,700.42 and 785,904.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,559.48 : 1,928,700.42 = 785,904.72 : x
2. Step 2: Convert to fraction form
   1,397,559.48/1,928,700.42 = 785,904.72/x
3. Step 3: Cross multiply
   1,397,559.48x = 1,928,700.42 × 785,904.72
4. Step 4: Simplify right side
   1,397,559.48x = 1,515,774,763,543.98
5. Step 5: Solve for x
   x = 1,515,774,763,543.98/1,397,559.48
6. Step 6: Final answer
   x = 1,084,586.94