Finding the Fourth Proportional to 101,965.69, 152,964.05 and 52,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,965.69 : 152,964.05 = 52,018.50 : x
2. Step 2: Convert to fraction form
   101,965.69/152,964.05 = 52,018.50/x
3. Step 3: Cross multiply
   101,965.69x = 152,964.05 × 52,018.50
4. Step 4: Simplify right side
   101,965.69x = 7,956,960,748.45
5. Step 5: Solve for x
   x = 7,956,960,748.45/101,965.69
6. Step 6: Final answer
   x = 78,035.67