Finding the Fourth Proportional to 92,978.08, 139,465.88 and 22,858

Step by Step Solution

1. Step 1: Write the proportion equation
   92,978.08 : 139,465.88 = 22,858 : x
2. Step 2: Convert to fraction form
   92,978.08/139,465.88 = 22,858/x
3. Step 3: Cross multiply
   92,978.08x = 139,465.88 × 22,858
4. Step 4: Simplify right side
   92,978.08x = 3,187,911,085.04
5. Step 5: Solve for x
   x = 3,187,911,085.04/92,978.08
6. Step 6: Final answer
   x = 34,286.70