Finding the Fourth Proportional to 195,899.72, 270,052.53 and 152,830.76

Step by Step Solution

1. Step 1: Write the proportion equation
   195,899.72 : 270,052.53 = 152,830.76 : x
2. Step 2: Convert to fraction form
   195,899.72/270,052.53 = 152,830.76/x
3. Step 3: Cross multiply
   195,899.72x = 270,052.53 × 152,830.76
4. Step 4: Simplify right side
   195,899.72x = 41,272,333,399.82
5. Step 5: Solve for x
   x = 41,272,333,399.82/195,899.72
6. Step 6: Final answer
   x = 210,680.92