Finding the Fourth Proportional to 116,130.83, 160,262.28 and 65,154.83

Step by Step Solution

1. Step 1: Write the proportion equation
   116,130.83 : 160,262.28 = 65,154.83 : x
2. Step 2: Convert to fraction form
   116,130.83/160,262.28 = 65,154.83/x
3. Step 3: Cross multiply
   116,130.83x = 160,262.28 × 65,154.83
4. Step 4: Simplify right side
   116,130.83x = 10,441,860,807.50
5. Step 5: Solve for x
   x = 10,441,860,807.50/116,130.83
6. Step 6: Final answer
   x = 89,914.64