Finding the Fourth Proportional to 64,406.82, 88,920.81 and 51,032.10

Step by Step Solution

1. Step 1: Write the proportion equation
   64,406.82 : 88,920.81 = 51,032.10 : x
2. Step 2: Convert to fraction form
   64,406.82/88,920.81 = 51,032.10/x
3. Step 3: Cross multiply
   64,406.82x = 88,920.81 × 51,032.10
4. Step 4: Simplify right side
   64,406.82x = 4,537,815,668.00
5. Step 5: Solve for x
   x = 4,537,815,668.00/64,406.82
6. Step 6: Final answer
   x = 70,455.51