Finding the Fourth Proportional to 113,051.76, 169,601.64 and 42,929.52

Step by Step Solution

1. Step 1: Write the proportion equation
   113,051.76 : 169,601.64 = 42,929.52 : x
2. Step 2: Convert to fraction form
   113,051.76/169,601.64 = 42,929.52/x
3. Step 3: Cross multiply
   113,051.76x = 169,601.64 × 42,929.52
4. Step 4: Simplify right side
   113,051.76x = 7,280,916,996.41
5. Step 5: Solve for x
   x = 7,280,916,996.41/113,051.76
6. Step 6: Final answer
   x = 64,403.39