Finding the Fourth Proportional to 191,693.97, 287,592.72 and 58,570.58

Step by Step Solution

1. Step 1: Write the proportion equation
   191,693.97 : 287,592.72 = 58,570.58 : x
2. Step 2: Convert to fraction form
   191,693.97/287,592.72 = 58,570.58/x
3. Step 3: Cross multiply
   191,693.97x = 287,592.72 × 58,570.58
4. Step 4: Simplify right side
   191,693.97x = 16,844,472,913.52
5. Step 5: Solve for x
   x = 16,844,472,913.52/191,693.97
6. Step 6: Final answer
   x = 87,871.69