Finding the Fourth Proportional to 3,705,648.13, 5,558,920.53 and 1,309,002.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,705,648.13 : 5,558,920.53 = 1,309,002.31 : x
2. Step 2: Convert to fraction form
   3,705,648.13/5,558,920.53 = 1,309,002.31/x
3. Step 3: Cross multiply
   3,705,648.13x = 5,558,920.53 × 1,309,002.31
4. Step 4: Simplify right side
   3,705,648.13x = 7,276,639,814,876.43
5. Step 5: Solve for x
   x = 7,276,639,814,876.43/3,705,648.13
6. Step 6: Final answer
   x = 1,963,661.84