Finding the Fourth Proportional to 119,274.98, 164,599.89 and 65,564.66

Step by Step Solution

1. Step 1: Write the proportion equation
   119,274.98 : 164,599.89 = 65,564.66 : x
2. Step 2: Convert to fraction form
   119,274.98/164,599.89 = 65,564.66/x
3. Step 3: Cross multiply
   119,274.98x = 164,599.89 × 65,564.66
4. Step 4: Simplify right side
   119,274.98x = 10,791,935,823.89
5. Step 5: Solve for x
   x = 10,791,935,823.89/119,274.98
6. Step 6: Final answer
   x = 90,479.46