Finding the Fourth Proportional to 374,572.50, 561,859.29 and 152,956.50

Step by Step Solution

1. Step 1: Write the proportion equation
   374,572.50 : 561,859.29 = 152,956.50 : x
2. Step 2: Convert to fraction form
   374,572.50/561,859.29 = 152,956.50/x
3. Step 3: Cross multiply
   374,572.50x = 561,859.29 × 152,956.50
4. Step 4: Simplify right side
   374,572.50x = 85,940,030,490.89
5. Step 5: Solve for x
   x = 85,940,030,490.89/374,572.50
6. Step 6: Final answer
   x = 229,434.97