Finding the Fourth Proportional to 152,623.10, 210,626.71 and 84,635.53

Step by Step Solution

1. Step 1: Write the proportion equation
   152,623.10 : 210,626.71 = 84,635.53 : x
2. Step 2: Convert to fraction form
   152,623.10/210,626.71 = 84,635.53/x
3. Step 3: Cross multiply
   152,623.10x = 210,626.71 × 84,635.53
4. Step 4: Simplify right side
   152,623.10x = 17,826,502,494.85
5. Step 5: Solve for x
   x = 17,826,502,494.85/152,623.10
6. Step 6: Final answer
   x = 116,800.81