Finding the Fourth Proportional to 281,641.56, 388,662.81 and 152,577.07

Step by Step Solution

1. Step 1: Write the proportion equation
   281,641.56 : 388,662.81 = 152,577.07 : x
2. Step 2: Convert to fraction form
   281,641.56/388,662.81 = 152,577.07/x
3. Step 3: Cross multiply
   281,641.56x = 388,662.81 × 152,577.07
4. Step 4: Simplify right side
   281,641.56x = 59,301,031,223.95
5. Step 5: Solve for x
   x = 59,301,031,223.95/281,641.56
6. Step 6: Final answer
   x = 210,554.98