Finding the Fourth Proportional to 116,774.42, 159,981.54 and 112,401.05

Step by Step Solution

1. Step 1: Write the proportion equation
   116,774.42 : 159,981.54 = 112,401.05 : x
2. Step 2: Convert to fraction form
   116,774.42/159,981.54 = 112,401.05/x
3. Step 3: Cross multiply
   116,774.42x = 159,981.54 × 112,401.05
4. Step 4: Simplify right side
   116,774.42x = 17,982,092,514.61
5. Step 5: Solve for x
   x = 17,982,092,514.61/116,774.42
6. Step 6: Final answer
   x = 153,990.00