Finding the Fourth Proportional to 155,667.81, 233,534.49 and 50,478.57

Step by Step Solution

1. Step 1: Write the proportion equation
   155,667.81 : 233,534.49 = 50,478.57 : x
2. Step 2: Convert to fraction form
   155,667.81/233,534.49 = 50,478.57/x
3. Step 3: Cross multiply
   155,667.81x = 233,534.49 × 50,478.57
4. Step 4: Simplify right side
   155,667.81x = 11,788,487,100.88
5. Step 5: Solve for x
   x = 11,788,487,100.88/155,667.81
6. Step 6: Final answer
   x = 75,728.48