Finding the Fourth Proportional to 118,775.05, 163,909.61 and 65,060.94

Step by Step Solution

1. Step 1: Write the proportion equation
   118,775.05 : 163,909.61 = 65,060.94 : x
2. Step 2: Convert to fraction form
   118,775.05/163,909.61 = 65,060.94/x
3. Step 3: Cross multiply
   118,775.05x = 163,909.61 × 65,060.94
4. Step 4: Simplify right side
   118,775.05x = 10,664,113,301.63
5. Step 5: Solve for x
   x = 10,664,113,301.63/118,775.05
6. Step 6: Final answer
   x = 89,784.12