Finding the Fourth Proportional to 116,466.21, 160,714.53 and 65,470.86

Step by Step Solution

1. Step 1: Write the proportion equation
   116,466.21 : 160,714.53 = 65,470.86 : x
2. Step 2: Convert to fraction form
   116,466.21/160,714.53 = 65,470.86/x
3. Step 3: Cross multiply
   116,466.21x = 160,714.53 × 65,470.86
4. Step 4: Simplify right side
   116,466.21x = 10,522,118,493.60
5. Step 5: Solve for x
   x = 10,522,118,493.60/116,466.21
6. Step 6: Final answer
   x = 90,344.82