Finding the Fourth Proportional to 83,830.32, 115,678.98 and 49,369.59

Step by Step Solution

1. Step 1: Write the proportion equation
   83,830.32 : 115,678.98 = 49,369.59 : x
2. Step 2: Convert to fraction form
   83,830.32/115,678.98 = 49,369.59/x
3. Step 3: Cross multiply
   83,830.32x = 115,678.98 × 49,369.59
4. Step 4: Simplify right side
   83,830.32x = 5,711,023,814.22
5. Step 5: Solve for x
   x = 5,711,023,814.22/83,830.32
6. Step 6: Final answer
   x = 68,125.99