Finding the Fourth Proportional to 118,184.74, 163,091.37 and 64,470.58

Step by Step Solution

1. Step 1: Write the proportion equation
   118,184.74 : 163,091.37 = 64,470.58 : x
2. Step 2: Convert to fraction form
   118,184.74/163,091.37 = 64,470.58/x
3. Step 3: Cross multiply
   118,184.74x = 163,091.37 × 64,470.58
4. Step 4: Simplify right side
   118,184.74x = 10,514,595,216.89
5. Step 5: Solve for x
   x = 10,514,595,216.89/118,184.74
6. Step 6: Final answer
   x = 88,967.45