Finding the Fourth Proportional to 570,111.30, 786,837.06 and 328,346.82

Step by Step Solution

1. Step 1: Write the proportion equation
   570,111.30 : 786,837.06 = 328,346.82 : x
2. Step 2: Convert to fraction form
   570,111.30/786,837.06 = 328,346.82/x
3. Step 3: Cross multiply
   570,111.30x = 786,837.06 × 328,346.82
4. Step 4: Simplify right side
   570,111.30x = 258,355,446,509.15
5. Step 5: Solve for x
   x = 258,355,446,509.15/570,111.30
6. Step 6: Final answer
   x = 453,166.68