Finding the Fourth Proportional to 118,785.04, 163,914.72 and 65,061.36

Step by Step Solution

1. Step 1: Write the proportion equation
   118,785.04 : 163,914.72 = 65,061.36 : x
2. Step 2: Convert to fraction form
   118,785.04/163,914.72 = 65,061.36/x
3. Step 3: Cross multiply
   118,785.04x = 163,914.72 × 65,061.36
4. Step 4: Simplify right side
   118,785.04x = 10,664,514,607.22
5. Step 5: Solve for x
   x = 10,664,514,607.22/118,785.04
6. Step 6: Final answer
   x = 89,779.95