Finding the Fourth Proportional to 137,259.89, 205,949.00 and 53,079.29

Step by Step Solution

1. Step 1: Write the proportion equation
   137,259.89 : 205,949.00 = 53,079.29 : x
2. Step 2: Convert to fraction form
   137,259.89/205,949.00 = 53,079.29/x
3. Step 3: Cross multiply
   137,259.89x = 205,949.00 × 53,079.29
4. Step 4: Simplify right side
   137,259.89x = 10,931,626,430.81
5. Step 5: Solve for x
   x = 10,931,626,430.81/137,259.89
6. Step 6: Final answer
   x = 79,641.81