Finding the Fourth Proportional to 1,605,847.32, 2,216,097.72 and 880,688.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605,847.32 : 2,216,097.72 = 880,688.70 : x
2. Step 2: Convert to fraction form
   1,605,847.32/2,216,097.72 = 880,688.70/x
3. Step 3: Cross multiply
   1,605,847.32x = 2,216,097.72 × 880,688.70
4. Step 4: Simplify right side
   1,605,847.32x = 1,951,692,220,099.76
5. Step 5: Solve for x
   x = 1,951,692,220,099.76/1,605,847.32
6. Step 6: Final answer
   x = 1,215,365.99