Finding the Fourth Proportional to 1,003,381.54, 1,505,302.12 and 434,858.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003,381.54 : 1,505,302.12 = 434,858.00 : x
2. Step 2: Convert to fraction form
   1,003,381.54/1,505,302.12 = 434,858.00/x
3. Step 3: Cross multiply
   1,003,381.54x = 1,505,302.12 × 434,858.00
4. Step 4: Simplify right side
   1,003,381.54x = 654,592,661,772.45
5. Step 5: Solve for x
   x = 654,592,661,772.45/1,003,381.54
6. Step 6: Final answer
   x = 652,386.59