Finding the Fourth Proportional to 152,604.06, 210,589.83 and 84,621.30

Step by Step Solution

1. Step 1: Write the proportion equation
   152,604.06 : 210,589.83 = 84,621.30 : x
2. Step 2: Convert to fraction form
   152,604.06/210,589.83 = 84,621.30/x
3. Step 3: Cross multiply
   152,604.06x = 210,589.83 × 84,621.30
4. Step 4: Simplify right side
   152,604.06x = 17,820,385,181.38
5. Step 5: Solve for x
   x = 17,820,385,181.38/152,604.06
6. Step 6: Final answer
   x = 116,775.30