Finding the Fourth Proportional to 101,628.63, 152,536.64 and 51,744.69

Step by Step Solution

1. Step 1: Write the proportion equation
   101,628.63 : 152,536.64 = 51,744.69 : x
2. Step 2: Convert to fraction form
   101,628.63/152,536.64 = 51,744.69/x
3. Step 3: Cross multiply
   101,628.63x = 152,536.64 × 51,744.69
4. Step 4: Simplify right side
   101,628.63x = 7,892,960,891.72
5. Step 5: Solve for x
   x = 7,892,960,891.72/101,628.63
6. Step 6: Final answer
   x = 77,664.74