Finding the Fourth Proportional to 151,018.61, 208,406.46 and 83,039.96

Step by Step Solution

1. Step 1: Write the proportion equation
   151,018.61 : 208,406.46 = 83,039.96 : x
2. Step 2: Convert to fraction form
   151,018.61/208,406.46 = 83,039.96/x
3. Step 3: Cross multiply
   151,018.61x = 208,406.46 × 83,039.96
4. Step 4: Simplify right side
   151,018.61x = 17,306,063,060.11
5. Step 5: Solve for x
   x = 17,306,063,060.11/151,018.61
6. Step 6: Final answer
   x = 114,595.57