Finding the Fourth Proportional to 109,397.84, 164,031.15 and 42,758.58

Step by Step Solution

1. Step 1: Write the proportion equation
   109,397.84 : 164,031.15 = 42,758.58 : x
2. Step 2: Convert to fraction form
   109,397.84/164,031.15 = 42,758.58/x
3. Step 3: Cross multiply
   109,397.84x = 164,031.15 × 42,758.58
4. Step 4: Simplify right side
   109,397.84x = 7,013,739,704.97
5. Step 5: Solve for x
   x = 7,013,739,704.97/109,397.84
6. Step 6: Final answer
   x = 64,112.23