Finding the Fourth Proportional to 83,443, 115,151.34 and 45,718.12

Step by Step Solution

1. Step 1: Write the proportion equation
   83,443 : 115,151.34 = 45,718.12 : x
2. Step 2: Convert to fraction form
   83,443/115,151.34 = 45,718.12/x
3. Step 3: Cross multiply
   83,443x = 115,151.34 × 45,718.12
4. Step 4: Simplify right side
   83,443x = 5,264,502,780.28
5. Step 5: Solve for x
   x = 5,264,502,780.28/83,443
6. Step 6: Final answer
   x = 63,091.01