Finding the Fourth Proportional to 347,367.82, 521,300.58 and 147,828.37

Step by Step Solution

1. Step 1: Write the proportion equation
   347,367.82 : 521,300.58 = 147,828.37 : x
2. Step 2: Convert to fraction form
   347,367.82/521,300.58 = 147,828.37/x
3. Step 3: Cross multiply
   347,367.82x = 521,300.58 × 147,828.37
4. Step 4: Simplify right side
   347,367.82x = 77,063,015,021.45
5. Step 5: Solve for x
   x = 77,063,015,021.45/347,367.82
6. Step 6: Final answer
   x = 221,848.46