Finding the Fourth Proportional to 92,837.54, 139,239.84 and 42,224.72

Step by Step Solution

1. Step 1: Write the proportion equation
   92,837.54 : 139,239.84 = 42,224.72 : x
2. Step 2: Convert to fraction form
   92,837.54/139,239.84 = 42,224.72/x
3. Step 3: Cross multiply
   92,837.54x = 139,239.84 × 42,224.72
4. Step 4: Simplify right side
   92,837.54x = 5,879,363,256.84
5. Step 5: Solve for x
   x = 5,879,363,256.84/92,837.54
6. Step 6: Final answer
   x = 63,329.59