Finding the Fourth Proportional to 142,870.40, 214,305.58 and 48,092.62

Step by Step Solution

1. Step 1: Write the proportion equation
   142,870.40 : 214,305.58 = 48,092.62 : x
2. Step 2: Convert to fraction form
   142,870.40/214,305.58 = 48,092.62/x
3. Step 3: Cross multiply
   142,870.40x = 214,305.58 × 48,092.62
4. Step 4: Simplify right side
   142,870.40x = 10,306,516,822.82
5. Step 5: Solve for x
   x = 10,306,516,822.82/142,870.40
6. Step 6: Final answer
   x = 72,138.92