Finding the Fourth Proportional to 510,665.84, 766,051.20 and 195,387.92

Step by Step Solution

1. Step 1: Write the proportion equation
   510,665.84 : 766,051.20 = 195,387.92 : x
2. Step 2: Convert to fraction form
   510,665.84/766,051.20 = 195,387.92/x
3. Step 3: Cross multiply
   510,665.84x = 766,051.20 × 195,387.92
4. Step 4: Simplify right side
   510,665.84x = 149,677,150,581.50
5. Step 5: Solve for x
   x = 149,677,150,581.50/510,665.84
6. Step 6: Final answer
   x = 293,101.94