Finding the Fourth Proportional to 152,743.38, 210,782.70 and 83,834.52

Step by Step Solution

1. Step 1: Write the proportion equation
   152,743.38 : 210,782.70 = 83,834.52 : x
2. Step 2: Convert to fraction form
   152,743.38/210,782.70 = 83,834.52/x
3. Step 3: Cross multiply
   152,743.38x = 210,782.70 × 83,834.52
4. Step 4: Simplify right side
   152,743.38x = 17,670,866,478.80
5. Step 5: Solve for x
   x = 17,670,866,478.80/152,743.38
6. Step 6: Final answer
   x = 115,689.90