Finding the Fourth Proportional to 281,973.04, 389,122.89 and 152,911.48

Step by Step Solution

1. Step 1: Write the proportion equation
   281,973.04 : 389,122.89 = 152,911.48 : x
2. Step 2: Convert to fraction form
   281,973.04/389,122.89 = 152,911.48/x
3. Step 3: Cross multiply
   281,973.04x = 389,122.89 × 152,911.48
4. Step 4: Simplify right side
   281,973.04x = 59,501,357,011.78
5. Step 5: Solve for x
   x = 59,501,357,011.78/281,973.04
6. Step 6: Final answer
   x = 211,017.89