Finding the Fourth Proportional to 116,194.98, 160,312.52 and 65,200.21

Step by Step Solution

1. Step 1: Write the proportion equation
   116,194.98 : 160,312.52 = 65,200.21 : x
2. Step 2: Convert to fraction form
   116,194.98/160,312.52 = 65,200.21/x
3. Step 3: Cross multiply
   116,194.98x = 160,312.52 × 65,200.21
4. Step 4: Simplify right side
   116,194.98x = 10,452,409,643.63
5. Step 5: Solve for x
   x = 10,452,409,643.63/116,194.98
6. Step 6: Final answer
   x = 89,955.78