Finding the Fourth Proportional to 117,836.16, 162,610.63 and 64,119.93

Step by Step Solution

1. Step 1: Write the proportion equation
   117,836.16 : 162,610.63 = 64,119.93 : x
2. Step 2: Convert to fraction form
   117,836.16/162,610.63 = 64,119.93/x
3. Step 3: Cross multiply
   117,836.16x = 162,610.63 × 64,119.93
4. Step 4: Simplify right side
   117,836.16x = 10,426,582,212.86
5. Step 5: Solve for x
   x = 10,426,582,212.86/117,836.16
6. Step 6: Final answer
   x = 88,483.72