Finding the Fourth Proportional to 205,499.82, 308,248.29 and 105,687.84

Step by Step Solution

1. Step 1: Write the proportion equation
   205,499.82 : 308,248.29 = 105,687.84 : x
2. Step 2: Convert to fraction form
   205,499.82/308,248.29 = 105,687.84/x
3. Step 3: Cross multiply
   205,499.82x = 308,248.29 × 105,687.84
4. Step 4: Simplify right side
   205,499.82x = 32,578,095,953.79
5. Step 5: Solve for x
   x = 32,578,095,953.79/205,499.82
6. Step 6: Final answer
   x = 158,531.02