Finding the Fourth Proportional to 116,793.71, 161,164.74 and 65,814.74

Step by Step Solution

1. Step 1: Write the proportion equation
   116,793.71 : 161,164.74 = 65,814.74 : x
2. Step 2: Convert to fraction form
   116,793.71/161,164.74 = 65,814.74/x
3. Step 3: Cross multiply
   116,793.71x = 161,164.74 × 65,814.74
4. Step 4: Simplify right side
   116,793.71x = 10,607,015,460.27
5. Step 5: Solve for x
   x = 10,607,015,460.27/116,793.71
6. Step 6: Final answer
   x = 90,818.38