Finding the Fourth Proportional to 99,105.52, 136,765.71 and 53,783.51

Step by Step Solution

1. Step 1: Write the proportion equation
   99,105.52 : 136,765.71 = 53,783.51 : x
2. Step 2: Convert to fraction form
   99,105.52/136,765.71 = 53,783.51/x
3. Step 3: Cross multiply
   99,105.52x = 136,765.71 × 53,783.51
4. Step 4: Simplify right side
   99,105.52x = 7,355,739,931.44
5. Step 5: Solve for x
   x = 7,355,739,931.44/99,105.52
6. Step 6: Final answer
   x = 74,221.29