Finding the Fourth Proportional to 118,062.78, 162,926.76 and 64,347.84

Step by Step Solution

1. Step 1: Write the proportion equation
   118,062.78 : 162,926.76 = 64,347.84 : x
2. Step 2: Convert to fraction form
   118,062.78/162,926.76 = 64,347.84/x
3. Step 3: Cross multiply
   118,062.78x = 162,926.76 × 64,347.84
4. Step 4: Simplify right side
   118,062.78x = 10,483,985,084.20
5. Step 5: Solve for x
   x = 10,483,985,084.20/118,062.78
6. Step 6: Final answer
   x = 88,800.09