Finding the Fourth Proportional to 143,585.46, 215,312.58 and 50,069.34

Step by Step Solution

1. Step 1: Write the proportion equation
   143,585.46 : 215,312.58 = 50,069.34 : x
2. Step 2: Convert to fraction form
   143,585.46/215,312.58 = 50,069.34/x
3. Step 3: Cross multiply
   143,585.46x = 215,312.58 × 50,069.34
4. Step 4: Simplify right side
   143,585.46x = 10,780,558,774.30
5. Step 5: Solve for x
   x = 10,780,558,774.30/143,585.46
6. Step 6: Final answer
   x = 75,081.13