Finding the Fourth Proportional to 142,353.61, 213,530.22 and 58,153.34

Step by Step Solution

1. Step 1: Write the proportion equation
   142,353.61 : 213,530.22 = 58,153.34 : x
2. Step 2: Convert to fraction form
   142,353.61/213,530.22 = 58,153.34/x
3. Step 3: Cross multiply
   142,353.61x = 213,530.22 × 58,153.34
4. Step 4: Simplify right side
   142,353.61x = 12,417,495,483.93
5. Step 5: Solve for x
   x = 12,417,495,483.93/142,353.61
6. Step 6: Final answer
   x = 87,229.93