Finding the Fourth Proportional to 109,440.16, 164,062.80 and 42,927.76

Step by Step Solution

1. Step 1: Write the proportion equation
   109,440.16 : 164,062.80 = 42,927.76 : x
2. Step 2: Convert to fraction form
   109,440.16/164,062.80 = 42,927.76/x
3. Step 3: Cross multiply
   109,440.16x = 164,062.80 × 42,927.76
4. Step 4: Simplify right side
   109,440.16x = 7,042,848,503.33
5. Step 5: Solve for x
   x = 7,042,848,503.33/109,440.16
6. Step 6: Final answer
   x = 64,353.42