Finding the Fourth Proportional to 142,378.83, 213,592.82 and 58,184.73

Step by Step Solution

1. Step 1: Write the proportion equation
   142,378.83 : 213,592.82 = 58,184.73 : x
2. Step 2: Convert to fraction form
   142,378.83/213,592.82 = 58,184.73/x
3. Step 3: Cross multiply
   142,378.83x = 213,592.82 × 58,184.73
4. Step 4: Simplify right side
   142,378.83x = 12,427,840,270.72
5. Step 5: Solve for x
   x = 12,427,840,270.72/142,378.83
6. Step 6: Final answer
   x = 87,287.14