Finding the Fourth Proportional to 151,288.61, 208,686.15 and 93,154.73

Step by Step Solution

1. Step 1: Write the proportion equation
   151,288.61 : 208,686.15 = 93,154.73 : x
2. Step 2: Convert to fraction form
   151,288.61/208,686.15 = 93,154.73/x
3. Step 3: Cross multiply
   151,288.61x = 208,686.15 × 93,154.73
4. Step 4: Simplify right side
   151,288.61x = 19,440,100,914.56
5. Step 5: Solve for x
   x = 19,440,100,914.56/151,288.61
6. Step 6: Final answer
   x = 128,496.80