Finding the Fourth Proportional to 1,409,736.98, 1,945,384.88 and 765,143.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409,736.98 : 1,945,384.88 = 765,143.34 : x
2. Step 2: Convert to fraction form
   1,409,736.98/1,945,384.88 = 765,143.34/x
3. Step 3: Cross multiply
   1,409,736.98x = 1,945,384.88 × 765,143.34
4. Step 4: Simplify right side
   1,409,736.98x = 1,488,498,280,842.98
5. Step 5: Solve for x
   x = 1,488,498,280,842.98/1,409,736.98
6. Step 6: Final answer
   x = 1,055,869.50