Finding the Fourth Proportional to 1,502,350.59, 2,253,607.98 and 380,429.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,502,350.59 : 2,253,607.98 = 380,429.31 : x
2. Step 2: Convert to fraction form
   1,502,350.59/2,253,607.98 = 380,429.31/x
3. Step 3: Cross multiply
   1,502,350.59x = 2,253,607.98 × 380,429.31
4. Step 4: Simplify right side
   1,502,350.59x = 857,338,528,841.89
5. Step 5: Solve for x
   x = 857,338,528,841.89/1,502,350.59
6. Step 6: Final answer
   x = 570,664.75