Finding the Fourth Proportional to 157,128.69, 235,715.18 and 50,476.89

Step by Step Solution

1. Step 1: Write the proportion equation
   157,128.69 : 235,715.18 = 50,476.89 : x
2. Step 2: Convert to fraction form
   157,128.69/235,715.18 = 50,476.89/x
3. Step 3: Cross multiply
   157,128.69x = 235,715.18 × 50,476.89
4. Step 4: Simplify right side
   157,128.69x = 11,898,168,801.77
5. Step 5: Solve for x
   x = 11,898,168,801.77/157,128.69
6. Step 6: Final answer
   x = 75,722.44