Finding the Fourth Proportional to 105,818.40, 158,602.50 and 46,530.06

Step by Step Solution

1. Step 1: Write the proportion equation
   105,818.40 : 158,602.50 = 46,530.06 : x
2. Step 2: Convert to fraction form
   105,818.40/158,602.50 = 46,530.06/x
3. Step 3: Cross multiply
   105,818.40x = 158,602.50 × 46,530.06
4. Step 4: Simplify right side
   105,818.40x = 7,379,783,841.15
5. Step 5: Solve for x
   x = 7,379,783,841.15/105,818.40
6. Step 6: Final answer
   x = 69,740.08