Finding the Fourth Proportional to 109,527.82, 164,291.72 and 42,999.28

Step by Step Solution

1. Step 1: Write the proportion equation
   109,527.82 : 164,291.72 = 42,999.28 : x
2. Step 2: Convert to fraction form
   109,527.82/164,291.72 = 42,999.28/x
3. Step 3: Cross multiply
   109,527.82x = 164,291.72 × 42,999.28
4. Step 4: Simplify right side
   109,527.82x = 7,064,425,669.96
5. Step 5: Solve for x
   x = 7,064,425,669.96/109,527.82
6. Step 6: Final answer
   x = 64,498.92