Finding the Fourth Proportional to 1,390,631.84, 1,919,072.72 and 754,727.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,390,631.84 : 1,919,072.72 = 754,727.84 : x
2. Step 2: Convert to fraction form
   1,390,631.84/1,919,072.72 = 754,727.84/x
3. Step 3: Cross multiply
   1,390,631.84x = 1,919,072.72 × 754,727.84
4. Step 4: Simplify right side
   1,390,631.84x = 1,448,377,608,768.52
5. Step 5: Solve for x
   x = 1,448,377,608,768.52/1,390,631.84
6. Step 6: Final answer
   x = 1,041,524.84