Finding the Fourth Proportional to 137,079.02, 205,478.35 and 52,806.17

Step by Step Solution

1. Step 1: Write the proportion equation
   137,079.02 : 205,478.35 = 52,806.17 : x
2. Step 2: Convert to fraction form
   137,079.02/205,478.35 = 52,806.17/x
3. Step 3: Cross multiply
   137,079.02x = 205,478.35 × 52,806.17
4. Step 4: Simplify right side
   137,079.02x = 10,850,525,063.10
5. Step 5: Solve for x
   x = 10,850,525,063.10/137,079.02
6. Step 6: Final answer
   x = 79,155.26