Finding the Fourth Proportional to 143,516.95, 215,158.77 and 50,088.31

Step by Step Solution

1. Step 1: Write the proportion equation
   143,516.95 : 215,158.77 = 50,088.31 : x
2. Step 2: Convert to fraction form
   143,516.95/215,158.77 = 50,088.31/x
3. Step 3: Cross multiply
   143,516.95x = 215,158.77 × 50,088.31
4. Step 4: Simplify right side
   143,516.95x = 10,776,939,170.98
5. Step 5: Solve for x
   x = 10,776,939,170.98/143,516.95
6. Step 6: Final answer
   x = 75,091.75