Finding the Fourth Proportional to 116,162.61, 160,360.71 and 77,908.17

Step by Step Solution

1. Step 1: Write the proportion equation
   116,162.61 : 160,360.71 = 77,908.17 : x
2. Step 2: Convert to fraction form
   116,162.61/160,360.71 = 77,908.17/x
3. Step 3: Cross multiply
   116,162.61x = 160,360.71 × 77,908.17
4. Step 4: Simplify right side
   116,162.61x = 12,493,409,456.00
5. Step 5: Solve for x
   x = 12,493,409,456.00/116,162.61
6. Step 6: Final answer
   x = 107,551.04