Finding the Fourth Proportional to 353,385.85, 530,071.92 and 100,667.98

Step by Step Solution

1. Step 1: Write the proportion equation
   353,385.85 : 530,071.92 = 100,667.98 : x
2. Step 2: Convert to fraction form
   353,385.85/530,071.92 = 100,667.98/x
3. Step 3: Cross multiply
   353,385.85x = 530,071.92 × 100,667.98
4. Step 4: Simplify right side
   353,385.85x = 53,361,269,441.12
5. Step 5: Solve for x
   x = 53,361,269,441.12/353,385.85
6. Step 6: Final answer
   x = 151,000.02