Finding the Fourth Proportional to 222,300.05, 306,690.33 and 145,861.34

Step by Step Solution

1. Step 1: Write the proportion equation
   222,300.05 : 306,690.33 = 145,861.34 : x
2. Step 2: Convert to fraction form
   222,300.05/306,690.33 = 145,861.34/x
3. Step 3: Cross multiply
   222,300.05x = 306,690.33 × 145,861.34
4. Step 4: Simplify right side
   222,300.05x = 44,734,262,498.84
5. Step 5: Solve for x
   x = 44,734,262,498.84/222,300.05
6. Step 6: Final answer
   x = 201,233.70