Finding the Fourth Proportional to 525,872.73, 788,996.81 and 170,888.00

Step by Step Solution

1. Step 1: Write the proportion equation
   525,872.73 : 788,996.81 = 170,888.00 : x
2. Step 2: Convert to fraction form
   525,872.73/788,996.81 = 170,888.00/x
3. Step 3: Cross multiply
   525,872.73x = 788,996.81 × 170,888.00
4. Step 4: Simplify right side
   525,872.73x = 134,830,085,667.42
5. Step 5: Solve for x
   x = 134,830,085,667.42/525,872.73
6. Step 6: Final answer
   x = 256,393.00