Finding the Fourth Proportional to 109,681.42, 164,498.36 and 64,058.63

Step by Step Solution

1. Step 1: Write the proportion equation
   109,681.42 : 164,498.36 = 64,058.63 : x
2. Step 2: Convert to fraction form
   109,681.42/164,498.36 = 64,058.63/x
3. Step 3: Cross multiply
   109,681.42x = 164,498.36 × 64,058.63
4. Step 4: Simplify right side
   109,681.42x = 10,537,538,436.06
5. Step 5: Solve for x
   x = 10,537,538,436.06/109,681.42
6. Step 6: Final answer
   x = 96,074.06