Finding the Fourth Proportional to 1,139,447.52, 1,568,838.24 and 1,003,389.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,447.52 : 1,568,838.24 = 1,003,389.12 : x
2. Step 2: Convert to fraction form
   1,139,447.52/1,568,838.24 = 1,003,389.12/x
3. Step 3: Cross multiply
   1,139,447.52x = 1,568,838.24 × 1,003,389.12
4. Step 4: Simplify right side
   1,139,447.52x = 1,574,155,221,055.95
5. Step 5: Solve for x
   x = 1,574,155,221,055.95/1,139,447.52
6. Step 6: Final answer
   x = 1,381,507.44