Finding the Fourth Proportional to 143,931.94, 215,897.91 and 50,437.69

Step by Step Solution

1. Step 1: Write the proportion equation
   143,931.94 : 215,897.91 = 50,437.69 : x
2. Step 2: Convert to fraction form
   143,931.94/215,897.91 = 50,437.69/x
3. Step 3: Cross multiply
   143,931.94x = 215,897.91 × 50,437.69
4. Step 4: Simplify right side
   143,931.94x = 10,889,391,127.34
5. Step 5: Solve for x
   x = 10,889,391,127.34/143,931.94
6. Step 6: Final answer
   x = 75,656.53