Finding the Fourth Proportional to 1,397,570.18, 1,928,602.17 and 785,748.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,570.18 : 1,928,602.17 = 785,748.83 : x
2. Step 2: Convert to fraction form
   1,397,570.18/1,928,602.17 = 785,748.83/x
3. Step 3: Cross multiply
   1,397,570.18x = 1,928,602.17 × 785,748.83
4. Step 4: Simplify right side
   1,397,570.18x = 1,515,396,888,969.95
5. Step 5: Solve for x
   x = 1,515,396,888,969.95/1,397,570.18
6. Step 6: Final answer
   x = 1,084,308.26