Finding the Fourth Proportional to 85,870.67, 118,495.59 and 47,626.61

Step by Step Solution

1. Step 1: Write the proportion equation
   85,870.67 : 118,495.59 = 47,626.61 : x
2. Step 2: Convert to fraction form
   85,870.67/118,495.59 = 47,626.61/x
3. Step 3: Cross multiply
   85,870.67x = 118,495.59 × 47,626.61
4. Step 4: Simplify right side
   85,870.67x = 5,643,543,251.65
5. Step 5: Solve for x
   x = 5,643,543,251.65/85,870.67
6. Step 6: Final answer
   x = 65,721.43