Finding the Fourth Proportional to 1,021,507.83, 1,409,667.57 and 562,613.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021,507.83 : 1,409,667.57 = 562,613.67 : x
2. Step 2: Convert to fraction form
   1,021,507.83/1,409,667.57 = 562,613.67/x
3. Step 3: Cross multiply
   1,021,507.83x = 1,409,667.57 × 562,613.67
4. Step 4: Simplify right side
   1,021,507.83x = 793,098,245,037.68
5. Step 5: Solve for x
   x = 793,098,245,037.68/1,021,507.83
6. Step 6: Final answer
   x = 776,399.57