Finding the Fourth Proportional to 507,667.29, 760,699.83 and 187,378.32

Step by Step Solution

1. Step 1: Write the proportion equation
   507,667.29 : 760,699.83 = 187,378.32 : x
2. Step 2: Convert to fraction form
   507,667.29/760,699.83 = 187,378.32/x
3. Step 3: Cross multiply
   507,667.29x = 760,699.83 × 187,378.32
4. Step 4: Simplify right side
   507,667.29x = 142,538,656,169.69
5. Step 5: Solve for x
   x = 142,538,656,169.69/507,667.29
6. Step 6: Final answer
   x = 280,771.79