Finding the Fourth Proportional to 4,971,967.72, 7,458,111.96 and 1,377,769.30

Step by Step Solution

1. Step 1: Write the proportion equation
   4,971,967.72 : 7,458,111.96 = 1,377,769.30 : x
2. Step 2: Convert to fraction form
   4,971,967.72/7,458,111.96 = 1,377,769.30/x
3. Step 3: Cross multiply
   4,971,967.72x = 7,458,111.96 × 1,377,769.30
4. Step 4: Simplify right side
   4,971,967.72x = 10,275,557,670,638.91
5. Step 5: Solve for x
   x = 10,275,557,670,638.91/4,971,967.72
6. Step 6: Final answer
   x = 2,066,698.39