Finding the Fourth Proportional to 118,941.95, 164,142.15 and 65,223.77

Step by Step Solution

1. Step 1: Write the proportion equation
   118,941.95 : 164,142.15 = 65,223.77 : x
2. Step 2: Convert to fraction form
   118,941.95/164,142.15 = 65,223.77/x
3. Step 3: Cross multiply
   118,941.95x = 164,142.15 × 65,223.77
4. Step 4: Simplify right side
   118,941.95x = 10,705,968,773.61
5. Step 5: Solve for x
   x = 10,705,968,773.61/118,941.95
6. Step 6: Final answer
   x = 90,010.03