Finding the Fourth Proportional to 1,009,538.79, 1,513,980.59 and 335,439.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,538.79 : 1,513,980.59 = 335,439.10 : x
2. Step 2: Convert to fraction form
   1,009,538.79/1,513,980.59 = 335,439.10/x
3. Step 3: Cross multiply
   1,009,538.79x = 1,513,980.59 × 335,439.10
4. Step 4: Simplify right side
   1,009,538.79x = 507,848,285,314.55
5. Step 5: Solve for x
   x = 507,848,285,314.55/1,009,538.79
6. Step 6: Final answer
   x = 503,049.80