Finding the Fourth Proportional to 152,812.86, 229,100.49 and 72,809.82

Step by Step Solution

1. Step 1: Write the proportion equation
   152,812.86 : 229,100.49 = 72,809.82 : x
2. Step 2: Convert to fraction form
   152,812.86/229,100.49 = 72,809.82/x
3. Step 3: Cross multiply
   152,812.86x = 229,100.49 × 72,809.82
4. Step 4: Simplify right side
   152,812.86x = 16,680,765,438.81
5. Step 5: Solve for x
   x = 16,680,765,438.81/152,812.86
6. Step 6: Final answer
   x = 109,158.13