Finding the Fourth Proportional to 118,514.95, 163,548.93 and 64,798.59

Step by Step Solution

1. Step 1: Write the proportion equation
   118,514.95 : 163,548.93 = 64,798.59 : x
2. Step 2: Convert to fraction form
   118,514.95/163,548.93 = 64,798.59/x
3. Step 3: Cross multiply
   118,514.95x = 163,548.93 × 64,798.59
4. Step 4: Simplify right side
   118,514.95x = 10,597,740,060.01
5. Step 5: Solve for x
   x = 10,597,740,060.01/118,514.95
6. Step 6: Final answer
   x = 89,421.12