Finding the Fourth Proportional to 1,665,688.56, 2,499,528.24 and 1,530,171.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,688.56 : 2,499,528.24 = 1,530,171.11 : x
2. Step 2: Convert to fraction form
   1,665,688.56/2,499,528.24 = 1,530,171.11/x
3. Step 3: Cross multiply
   1,665,688.56x = 2,499,528.24 × 1,530,171.11
4. Step 4: Simplify right side
   1,665,688.56x = 3,824,705,888,979.51
5. Step 5: Solve for x
   x = 3,824,705,888,979.51/1,665,688.56
6. Step 6: Final answer
   x = 2,296,171.07