Finding the Fourth Proportional to 118,316.01, 163,274.86 and 64,600.86

Step by Step Solution

1. Step 1: Write the proportion equation
   118,316.01 : 163,274.86 = 64,600.86 : x
2. Step 2: Convert to fraction form
   118,316.01/163,274.86 = 64,600.86/x
3. Step 3: Cross multiply
   118,316.01x = 163,274.86 × 64,600.86
4. Step 4: Simplify right side
   118,316.01x = 10,547,696,049.38
5. Step 5: Solve for x
   x = 10,547,696,049.38/118,316.01
6. Step 6: Final answer
   x = 89,148.51