Finding the Fourth Proportional to 191,555.69, 287,322.82 and 58,425.48

Step by Step Solution

1. Step 1: Write the proportion equation
   191,555.69 : 287,322.82 = 58,425.48 : x
2. Step 2: Convert to fraction form
   191,555.69/287,322.82 = 58,425.48/x
3. Step 3: Cross multiply
   191,555.69x = 287,322.82 × 58,425.48
4. Step 4: Simplify right side
   191,555.69x = 16,786,972,883.62
5. Step 5: Solve for x
   x = 16,786,972,883.62/191,555.69
6. Step 6: Final answer
   x = 87,634.95