Finding the Fourth Proportional to 384,667.05, 530,812.73 and 212,582.96

Step by Step Solution

1. Step 1: Write the proportion equation
   384,667.05 : 530,812.73 = 212,582.96 : x
2. Step 2: Convert to fraction form
   384,667.05/530,812.73 = 212,582.96/x
3. Step 3: Cross multiply
   384,667.05x = 530,812.73 × 212,582.96
4. Step 4: Simplify right side
   384,667.05x = 112,841,738,695.02
5. Step 5: Solve for x
   x = 112,841,738,695.02/384,667.05
6. Step 6: Final answer
   x = 293,349.12