Finding the Fourth Proportional to 68,341.32, 94,288.86 and 42,870.06

Step by Step Solution

1. Step 1: Write the proportion equation
   68,341.32 : 94,288.86 = 42,870.06 : x
2. Step 2: Convert to fraction form
   68,341.32/94,288.86 = 42,870.06/x
3. Step 3: Cross multiply
   68,341.32x = 94,288.86 × 42,870.06
4. Step 4: Simplify right side
   68,341.32x = 4,042,169,085.53
5. Step 5: Solve for x
   x = 4,042,169,085.53/68,341.32
6. Step 6: Final answer
   x = 59,146.78