Finding the Fourth Proportional to 2,106,529.47, 2,907,003.06 and 1,139,660.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,529.47 : 2,907,003.06 = 1,139,660.15 : x
2. Step 2: Convert to fraction form
   2,106,529.47/2,907,003.06 = 1,139,660.15/x
3. Step 3: Cross multiply
   2,106,529.47x = 2,907,003.06 × 1,139,660.15
4. Step 4: Simplify right side
   2,106,529.47x = 3,312,995,528,875.04
5. Step 5: Solve for x
   x = 3,312,995,528,875.04/2,106,529.47
6. Step 6: Final answer
   x = 1,572,726.88