Finding the Fourth Proportional to 152,105.45, 228,173.83 and 57,415.39

Step by Step Solution

1. Step 1: Write the proportion equation
   152,105.45 : 228,173.83 = 57,415.39 : x
2. Step 2: Convert to fraction form
   152,105.45/228,173.83 = 57,415.39/x
3. Step 3: Cross multiply
   152,105.45x = 228,173.83 × 57,415.39
4. Step 4: Simplify right side
   152,105.45x = 13,100,689,150.17
5. Step 5: Solve for x
   x = 13,100,689,150.17/152,105.45
6. Step 6: Final answer
   x = 86,128.99