Finding the Fourth Proportional to 1,429,849.97, 1,973,185.31 and 776,470.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429,849.97 : 1,973,185.31 = 776,470.35 : x
2. Step 2: Convert to fraction form
   1,429,849.97/1,973,185.31 = 776,470.35/x
3. Step 3: Cross multiply
   1,429,849.97x = 1,973,185.31 × 776,470.35
4. Step 4: Simplify right side
   1,429,849.97x = 1,532,119,897,611.18
5. Step 5: Solve for x
   x = 1,532,119,897,611.18/1,429,849.97
6. Step 6: Final answer
   x = 1,071,524.94