Finding the Fourth Proportional to 116,368.04, 160,588.04 and 65,380.77

Step by Step Solution

1. Step 1: Write the proportion equation
   116,368.04 : 160,588.04 = 65,380.77 : x
2. Step 2: Convert to fraction form
   116,368.04/160,588.04 = 65,380.77/x
3. Step 3: Cross multiply
   116,368.04x = 160,588.04 × 65,380.77
4. Step 4: Simplify right side
   116,368.04x = 10,499,369,381.09
5. Step 5: Solve for x
   x = 10,499,369,381.09/116,368.04
6. Step 6: Final answer
   x = 90,225.54