Finding the Fourth Proportional to 64,394.82, 88,904.25 and 51,020.10

Step by Step Solution

1. Step 1: Write the proportion equation
   64,394.82 : 88,904.25 = 51,020.10 : x
2. Step 2: Convert to fraction form
   64,394.82/88,904.25 = 51,020.10/x
3. Step 3: Cross multiply
   64,394.82x = 88,904.25 × 51,020.10
4. Step 4: Simplify right side
   64,394.82x = 4,535,903,725.43
5. Step 5: Solve for x
   x = 4,535,903,725.43/64,394.82
6. Step 6: Final answer
   x = 70,438.95