Finding the Fourth Proportional to 142,875.52, 214,298.16 and 58,644.56

Step by Step Solution

1. Step 1: Write the proportion equation
   142,875.52 : 214,298.16 = 58,644.56 : x
2. Step 2: Convert to fraction form
   142,875.52/214,298.16 = 58,644.56/x
3. Step 3: Cross multiply
   142,875.52x = 214,298.16 × 58,644.56
4. Step 4: Simplify right side
   142,875.52x = 12,567,421,302.01
5. Step 5: Solve for x
   x = 12,567,421,302.01/142,875.52
6. Step 6: Final answer
   x = 87,960.63