Finding the Fourth Proportional to 89,746.76, 134,504.94 and 42,929.48

Step by Step Solution

1. Step 1: Write the proportion equation
   89,746.76 : 134,504.94 = 42,929.48 : x
2. Step 2: Convert to fraction form
   89,746.76/134,504.94 = 42,929.48/x
3. Step 3: Cross multiply
   89,746.76x = 134,504.94 × 42,929.48
4. Step 4: Simplify right side
   89,746.76x = 5,774,227,131.63
5. Step 5: Solve for x
   x = 5,774,227,131.63/89,746.76
6. Step 6: Final answer
   x = 64,339.12