Finding the Fourth Proportional to 187,878.42, 259,298.91 and 116,281.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,878.42 : 259,298.91 = 116,281.50 : x
2. Step 2: Convert to fraction form
   187,878.42/259,298.91 = 116,281.50/x
3. Step 3: Cross multiply
   187,878.42x = 259,298.91 × 116,281.50
4. Step 4: Simplify right side
   187,878.42x = 30,151,666,203.17
5. Step 5: Solve for x
   x = 30,151,666,203.17/187,878.42
6. Step 6: Final answer
   x = 160,484.99