Finding the Fourth Proportional to 276,061.34, 380,961 and 153,552.89

Step by Step Solution

1. Step 1: Write the proportion equation
   276,061.34 : 380,961 = 153,552.89 : x
2. Step 2: Convert to fraction form
   276,061.34/380,961 = 153,552.89/x
3. Step 3: Cross multiply
   276,061.34x = 380,961 × 153,552.89
4. Step 4: Simplify right side
   276,061.34x = 58,497,662,527.29
5. Step 5: Solve for x
   x = 58,497,662,527.29/276,061.34
6. Step 6: Final answer
   x = 211,900.96