Finding the Fourth Proportional to 118,842.72, 164,004.24 and 65,126.58

Step by Step Solution

1. Step 1: Write the proportion equation
   118,842.72 : 164,004.24 = 65,126.58 : x
2. Step 2: Convert to fraction form
   118,842.72/164,004.24 = 65,126.58/x
3. Step 3: Cross multiply
   118,842.72x = 164,004.24 × 65,126.58
4. Step 4: Simplify right side
   118,842.72x = 10,681,034,683.87
5. Step 5: Solve for x
   x = 10,681,034,683.87/118,842.72
6. Step 6: Final answer
   x = 89,875.38