Finding the Fourth Proportional to 52,471,457.96, 72,410,863.50 and 28,949,993.51

Step by Step Solution

1. Step 1: Write the proportion equation
   52,471,457.96 : 72,410,863.50 = 28,949,993.51 : x
2. Step 2: Convert to fraction form
   52,471,457.96/72,410,863.50 = 28,949,993.51/x
3. Step 3: Cross multiply
   52,471,457.96x = 72,410,863.50 × 28,949,993.51
4. Step 4: Simplify right side
   52,471,457.96x = 2,096,294,028,016,441.50
5. Step 5: Solve for x
   x = 2,096,294,028,016,441.50/52,471,457.96
6. Step 6: Final answer
   x = 39,951,129.81