Finding the Fourth Proportional to 1,960,053.72, 2,935,794.06 and 1,389,705.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960,053.72 : 2,935,794.06 = 1,389,705.99 : x
2. Step 2: Convert to fraction form
   1,960,053.72/2,935,794.06 = 1,389,705.99/x
3. Step 3: Cross multiply
   1,960,053.72x = 2,935,794.06 × 1,389,705.99
4. Step 4: Simplify right side
   1,960,053.72x = 4,079,890,590,588.42
5. Step 5: Solve for x
   x = 4,079,890,590,588.42/1,960,053.72
6. Step 6: Final answer
   x = 2,081,519.78