Finding the Fourth Proportional to 1,798,419.34, 2,698,957.62 and 851,790.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,798,419.34 : 2,698,957.62 = 851,790.07 : x
2. Step 2: Convert to fraction form
   1,798,419.34/2,698,957.62 = 851,790.07/x
3. Step 3: Cross multiply
   1,798,419.34x = 2,698,957.62 × 851,790.07
4. Step 4: Simplify right side
   1,798,419.34x = 2,298,945,300,066.83
5. Step 5: Solve for x
   x = 2,298,945,300,066.83/1,798,419.34
6. Step 6: Final answer
   x = 1,278,314.38