Finding the Fourth Proportional to 83,981.71, 126,018.89 and 46,536.83

Step by Step Solution

1. Step 1: Write the proportion equation
   83,981.71 : 126,018.89 = 46,536.83 : x
2. Step 2: Convert to fraction form
   83,981.71/126,018.89 = 46,536.83/x
3. Step 3: Cross multiply
   83,981.71x = 126,018.89 × 46,536.83
4. Step 4: Simplify right side
   83,981.71x = 5,864,519,445.02
5. Step 5: Solve for x
   x = 5,864,519,445.02/83,981.71
6. Step 6: Final answer
   x = 69,830.91