Finding the Fourth Proportional to 152,105.69, 228,171.77 and 39,785.42

Step by Step Solution

1. Step 1: Write the proportion equation
   152,105.69 : 228,171.77 = 39,785.42 : x
2. Step 2: Convert to fraction form
   152,105.69/228,171.77 = 39,785.42/x
3. Step 3: Cross multiply
   152,105.69x = 228,171.77 × 39,785.42
4. Step 4: Simplify right side
   152,105.69x = 9,077,909,701.59
5. Step 5: Solve for x
   x = 9,077,909,701.59/152,105.69
6. Step 6: Final answer
   x = 59,681.59