Finding the Fourth Proportional to 164,897.31, 247,179.78 and 65,018.91

Step by Step Solution

1. Step 1: Write the proportion equation
   164,897.31 : 247,179.78 = 65,018.91 : x
2. Step 2: Convert to fraction form
   164,897.31/247,179.78 = 65,018.91/x
3. Step 3: Cross multiply
   164,897.31x = 247,179.78 × 65,018.91
4. Step 4: Simplify right side
   164,897.31x = 16,071,359,869.64
5. Step 5: Solve for x
   x = 16,071,359,869.64/164,897.31
6. Step 6: Final answer
   x = 97,462.84