Finding the Fourth Proportional to 537,131.07, 805,696.82 and 137,771.82

Step by Step Solution

1. Step 1: Write the proportion equation
   537,131.07 : 805,696.82 = 137,771.82 : x
2. Step 2: Convert to fraction form
   537,131.07/805,696.82 = 137,771.82/x
3. Step 3: Cross multiply
   537,131.07x = 805,696.82 × 137,771.82
4. Step 4: Simplify right side
   537,131.07x = 111,002,317,259.61
5. Step 5: Solve for x
   x = 111,002,317,259.61/537,131.07
6. Step 6: Final answer
   x = 206,657.79