Finding the Fourth Proportional to 510,757.34, 765,870.03 and 190,646.00

Step by Step Solution

1. Step 1: Write the proportion equation
   510,757.34 : 765,870.03 = 190,646.00 : x
2. Step 2: Convert to fraction form
   510,757.34/765,870.03 = 190,646.00/x
3. Step 3: Cross multiply
   510,757.34x = 765,870.03 × 190,646.00
4. Step 4: Simplify right side
   510,757.34x = 146,010,056,067.12
5. Step 5: Solve for x
   x = 146,010,056,067.12/510,757.34
6. Step 6: Final answer
   x = 285,869.72