Finding the Fourth Proportional to 366,308.39, 549,019.72 and 188,718.53

Step by Step Solution

1. Step 1: Write the proportion equation
   366,308.39 : 549,019.72 = 188,718.53 : x
2. Step 2: Convert to fraction form
   366,308.39/549,019.72 = 188,718.53/x
3. Step 3: Cross multiply
   366,308.39x = 549,019.72 × 188,718.53
4. Step 4: Simplify right side
   366,308.39x = 103,610,191,990.21
5. Step 5: Solve for x
   x = 103,610,191,990.21/366,308.39
6. Step 6: Final answer
   x = 282,849.63