Finding the Fourth Proportional to 250,667.34, 375,996.15 and 61,128.42

Step by Step Solution

1. Step 1: Write the proportion equation
   250,667.34 : 375,996.15 = 61,128.42 : x
2. Step 2: Convert to fraction form
   250,667.34/375,996.15 = 61,128.42/x
3. Step 3: Cross multiply
   250,667.34x = 375,996.15 × 61,128.42
4. Step 4: Simplify right side
   250,667.34x = 22,984,050,575.58
5. Step 5: Solve for x
   x = 22,984,050,575.58/250,667.34
6. Step 6: Final answer
   x = 91,691.44