Finding the Fourth Proportional to 191,588.69, 287,427.72 and 58,468.70

Step by Step Solution

1. Step 1: Write the proportion equation
   191,588.69 : 287,427.72 = 58,468.70 : x
2. Step 2: Convert to fraction form
   191,588.69/287,427.72 = 58,468.70/x
3. Step 3: Cross multiply
   191,588.69x = 287,427.72 × 58,468.70
4. Step 4: Simplify right side
   191,588.69x = 16,805,525,132.36
5. Step 5: Solve for x
   x = 16,805,525,132.36/191,588.69
6. Step 6: Final answer
   x = 87,716.69