Finding the Fourth Proportional to 152,418.57, 210,337.59 and 84,439.96

Step by Step Solution

1. Step 1: Write the proportion equation
   152,418.57 : 210,337.59 = 84,439.96 : x
2. Step 2: Convert to fraction form
   152,418.57/210,337.59 = 84,439.96/x
3. Step 3: Cross multiply
   152,418.57x = 210,337.59 × 84,439.96
4. Step 4: Simplify right side
   152,418.57x = 17,760,897,160.25
5. Step 5: Solve for x
   x = 17,760,897,160.25/152,418.57
6. Step 6: Final answer
   x = 116,527.12