Finding the Fourth Proportional to 191,164.24, 286,632.42 and 72,844.84

Step by Step Solution

1. Step 1: Write the proportion equation
   191,164.24 : 286,632.42 = 72,844.84 : x
2. Step 2: Convert to fraction form
   191,164.24/286,632.42 = 72,844.84/x
3. Step 3: Cross multiply
   191,164.24x = 286,632.42 × 72,844.84
4. Step 4: Simplify right side
   191,164.24x = 20,879,692,773.71
5. Step 5: Solve for x
   x = 20,879,692,773.71/191,164.24
6. Step 6: Final answer
   x = 109,223.84