Finding the Fourth Proportional to 118,762.95, 163,892.39 and 65,051.31

Step by Step Solution

1. Step 1: Write the proportion equation
   118,762.95 : 163,892.39 = 65,051.31 : x
2. Step 2: Convert to fraction form
   118,762.95/163,892.39 = 65,051.31/x
3. Step 3: Cross multiply
   118,762.95x = 163,892.39 × 65,051.31
4. Step 4: Simplify right side
   118,762.95x = 10,661,414,343.27
5. Step 5: Solve for x
   x = 10,661,414,343.27/118,762.95
6. Step 6: Final answer
   x = 89,770.54