Finding the Fourth Proportional to 208,144.42, 312,159.92 and 58,375.42

Step by Step Solution

1. Step 1: Write the proportion equation
   208,144.42 : 312,159.92 = 58,375.42 : x
2. Step 2: Convert to fraction form
   208,144.42/312,159.92 = 58,375.42/x
3. Step 3: Cross multiply
   208,144.42x = 312,159.92 × 58,375.42
4. Step 4: Simplify right side
   208,144.42x = 18,222,466,437.17
5. Step 5: Solve for x
   x = 18,222,466,437.17/208,144.42
6. Step 6: Final answer
   x = 87,547.23