Finding the Fourth Proportional to 118,773.88, 163,907.76 and 65,061.16

Step by Step Solution

1. Step 1: Write the proportion equation
   118,773.88 : 163,907.76 = 65,061.16 : x
2. Step 2: Convert to fraction form
   118,773.88/163,907.76 = 65,061.16/x
3. Step 3: Cross multiply
   118,773.88x = 163,907.76 × 65,061.16
4. Step 4: Simplify right side
   118,773.88x = 10,664,028,998.60
5. Step 5: Solve for x
   x = 10,664,028,998.60/118,773.88
6. Step 6: Final answer
   x = 89,784.29