Finding the Fourth Proportional to 102,967.83, 154,160.55 and 65,434.86

Step by Step Solution

1. Step 1: Write the proportion equation
   102,967.83 : 154,160.55 = 65,434.86 : x
2. Step 2: Convert to fraction form
   102,967.83/154,160.55 = 65,434.86/x
3. Step 3: Cross multiply
   102,967.83x = 154,160.55 × 65,434.86
4. Step 4: Simplify right side
   102,967.83x = 10,087,474,006.77
5. Step 5: Solve for x
   x = 10,087,474,006.77/102,967.83
6. Step 6: Final answer
   x = 97,967.24