Finding the Fourth Proportional to 191,772.48, 287,700.24 and 73,443.81

Step by Step Solution

1. Step 1: Write the proportion equation
   191,772.48 : 287,700.24 = 73,443.81 : x
2. Step 2: Convert to fraction form
   191,772.48/287,700.24 = 73,443.81/x
3. Step 3: Cross multiply
   191,772.48x = 287,700.24 × 73,443.81
4. Step 4: Simplify right side
   191,772.48x = 21,129,801,763.51
5. Step 5: Solve for x
   x = 21,129,801,763.51/191,772.48
6. Step 6: Final answer
   x = 110,181.62