Finding the Fourth Proportional to 152,814.27, 210,889.80 and 83,906.49

Step by Step Solution

1. Step 1: Write the proportion equation
   152,814.27 : 210,889.80 = 83,906.49 : x
2. Step 2: Convert to fraction form
   152,814.27/210,889.80 = 83,906.49/x
3. Step 3: Cross multiply
   152,814.27x = 210,889.80 × 83,906.49
4. Step 4: Simplify right side
   152,814.27x = 17,695,022,894.80
5. Step 5: Solve for x
   x = 17,695,022,894.80/152,814.27
6. Step 6: Final answer
   x = 115,794.31