Finding the Fourth Proportional to 1,003,339.37, 1,505,238.93 and 434,815.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003,339.37 : 1,505,238.93 = 434,815.91 : x
2. Step 2: Convert to fraction form
   1,003,339.37/1,505,238.93 = 434,815.91/x
3. Step 3: Cross multiply
   1,003,339.37x = 1,505,238.93 × 434,815.91
4. Step 4: Simplify right side
   1,003,339.37x = 654,501,827,589.18
5. Step 5: Solve for x
   x = 654,501,827,589.18/1,003,339.37
6. Step 6: Final answer
   x = 652,323.48