Finding the Fourth Proportional to 143,298.72, 214,967.52 and 49,792.32

Step by Step Solution

1. Step 1: Write the proportion equation
   143,298.72 : 214,967.52 = 49,792.32 : x
2. Step 2: Convert to fraction form
   143,298.72/214,967.52 = 49,792.32/x
3. Step 3: Cross multiply
   143,298.72x = 214,967.52 × 49,792.32
4. Step 4: Simplify right side
   143,298.72x = 10,703,731,545.45
5. Step 5: Solve for x
   x = 10,703,731,545.45/143,298.72
6. Step 6: Final answer
   x = 74,695.23