Finding the Fourth Proportional to 72,146,618.72, 99,559,665.52 and 39,106,158.44

Step by Step Solution

1. Step 1: Write the proportion equation
   72,146,618.72 : 99,559,665.52 = 39,106,158.44 : x
2. Step 2: Convert to fraction form
   72,146,618.72/99,559,665.52 = 39,106,158.44/x
3. Step 3: Cross multiply
   72,146,618.72x = 99,559,665.52 × 39,106,158.44
4. Step 4: Simplify right side
   72,146,618.72x = 3,893,396,054,058,524.50
5. Step 5: Solve for x
   x = 3,893,396,054,058,524.50/72,146,618.72
6. Step 6: Final answer
   x = 53,965,052.32