Finding the Fourth Proportional to 137,240.96, 205,718.71 and 53,058.94

Step by Step Solution

1. Step 1: Write the proportion equation
   137,240.96 : 205,718.71 = 53,058.94 : x
2. Step 2: Convert to fraction form
   137,240.96/205,718.71 = 53,058.94/x
3. Step 3: Cross multiply
   137,240.96x = 205,718.71 × 53,058.94
4. Step 4: Simplify right side
   137,240.96x = 10,915,216,499.94
5. Step 5: Solve for x
   x = 10,915,216,499.94/137,240.96
6. Step 6: Final answer
   x = 79,533.23