Finding the Fourth Proportional to 70,308.18, 96,996.42 and 51,412.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,308.18 : 96,996.42 = 51,412.50 : x
2. Step 2: Convert to fraction form
   70,308.18/96,996.42 = 51,412.50/x
3. Step 3: Cross multiply
   70,308.18x = 96,996.42 × 51,412.50
4. Step 4: Simplify right side
   70,308.18x = 4,986,828,443.25
5. Step 5: Solve for x
   x = 4,986,828,443.25/70,308.18
6. Step 6: Final answer
   x = 70,928.14