Finding the Fourth Proportional to 85,825.32, 128,773.50 and 46,335.99

Step by Step Solution

1. Step 1: Write the proportion equation
   85,825.32 : 128,773.50 = 46,335.99 : x
2. Step 2: Convert to fraction form
   85,825.32/128,773.50 = 46,335.99/x
3. Step 3: Cross multiply
   85,825.32x = 128,773.50 × 46,335.99
4. Step 4: Simplify right side
   85,825.32x = 5,966,847,608.27
5. Step 5: Solve for x
   x = 5,966,847,608.27/85,825.32
6. Step 6: Final answer
   x = 69,523.16