Finding the Fourth Proportional to 602,144.01, 903,216.42 and 152,898.57

Step by Step Solution

1. Step 1: Write the proportion equation
   602,144.01 : 903,216.42 = 152,898.57 : x
2. Step 2: Convert to fraction form
   602,144.01/903,216.42 = 152,898.57/x
3. Step 3: Cross multiply
   602,144.01x = 903,216.42 × 152,898.57
4. Step 4: Simplify right side
   602,144.01x = 138,100,499,018.52
5. Step 5: Solve for x
   x = 138,100,499,018.52/602,144.01
6. Step 6: Final answer
   x = 229,347.96