Finding the Fourth Proportional to 109,510.38, 164,572.29 and 65,143.98

Step by Step Solution

1. Step 1: Write the proportion equation
   109,510.38 : 164,572.29 = 65,143.98 : x
2. Step 2: Convert to fraction form
   109,510.38/164,572.29 = 65,143.98/x
3. Step 3: Cross multiply
   109,510.38x = 164,572.29 × 65,143.98
4. Step 4: Simplify right side
   109,510.38x = 10,720,893,968.31
5. Step 5: Solve for x
   x = 10,720,893,968.31/109,510.38
6. Step 6: Final answer
   x = 97,898.43