Finding the Fourth Proportional to 105,437.60, 158,085.95 and 58,074.82

Step by Step Solution

1. Step 1: Write the proportion equation
   105,437.60 : 158,085.95 = 58,074.82 : x
2. Step 2: Convert to fraction form
   105,437.60/158,085.95 = 58,074.82/x
3. Step 3: Cross multiply
   105,437.60x = 158,085.95 × 58,074.82
4. Step 4: Simplify right side
   105,437.60x = 9,180,813,294.42
5. Step 5: Solve for x
   x = 9,180,813,294.42/105,437.60
6. Step 6: Final answer
   x = 87,073.43