Finding the Fourth Proportional to 2,531,581.57, 3,493,615.38 and 1,385,637.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531,581.57 : 3,493,615.38 = 1,385,637.31 : x
2. Step 2: Convert to fraction form
   2,531,581.57/3,493,615.38 = 1,385,637.31/x
3. Step 3: Cross multiply
   2,531,581.57x = 3,493,615.38 × 1,385,637.31
4. Step 4: Simplify right side
   2,531,581.57x = 4,840,883,817,317.83
5. Step 5: Solve for x
   x = 4,840,883,817,317.83/2,531,581.57
6. Step 6: Final answer
   x = 1,912,197.45