Finding the Fourth Proportional to 158,885.72, 219,404.72 and 118,529.40

Step by Step Solution

1. Step 1: Write the proportion equation
   158,885.72 : 219,404.72 = 118,529.40 : x
2. Step 2: Convert to fraction form
   158,885.72/219,404.72 = 118,529.40/x
3. Step 3: Cross multiply
   158,885.72x = 219,404.72 × 118,529.40
4. Step 4: Simplify right side
   158,885.72x = 26,005,909,818.77
5. Step 5: Solve for x
   x = 26,005,909,818.77/158,885.72
6. Step 6: Final answer
   x = 163,676.82