Finding the Fourth Proportional to 85,827.57, 128,776.88 and 46,338.24

Step by Step Solution

1. Step 1: Write the proportion equation
   85,827.57 : 128,776.88 = 46,338.24 : x
2. Step 2: Convert to fraction form
   85,827.57/128,776.88 = 46,338.24/x
3. Step 3: Cross multiply
   85,827.57x = 128,776.88 × 46,338.24
4. Step 4: Simplify right side
   85,827.57x = 5,967,293,971.89
5. Step 5: Solve for x
   x = 5,967,293,971.89/85,827.57
6. Step 6: Final answer
   x = 69,526.54