Finding the Fourth Proportional to 83,085, 124,428.84 and 47,918.04

Step by Step Solution

1. Step 1: Write the proportion equation
   83,085 : 124,428.84 = 47,918.04 : x
2. Step 2: Convert to fraction form
   83,085/124,428.84 = 47,918.04/x
3. Step 3: Cross multiply
   83,085x = 124,428.84 × 47,918.04
4. Step 4: Simplify right side
   83,085x = 5,962,386,132.27
5. Step 5: Solve for x
   x = 5,962,386,132.27/83,085
6. Step 6: Final answer
   x = 71,762.49