Finding the Fourth Proportional to 549,103.95, 757,741.32 and 319,667.82

Step by Step Solution

1. Step 1: Write the proportion equation
   549,103.95 : 757,741.32 = 319,667.82 : x
2. Step 2: Convert to fraction form
   549,103.95/757,741.32 = 319,667.82/x
3. Step 3: Cross multiply
   549,103.95x = 757,741.32 × 319,667.82
4. Step 4: Simplify right side
   549,103.95x = 242,225,515,888.32
5. Step 5: Solve for x
   x = 242,225,515,888.32/549,103.95
6. Step 6: Final answer
   x = 441,128.71