Finding the Fourth Proportional to 110,110.56, 165,900.45 and 99,592.72

Step by Step Solution

1. Step 1: Write the proportion equation
   110,110.56 : 165,900.45 = 99,592.72 : x
2. Step 2: Convert to fraction form
   110,110.56/165,900.45 = 99,592.72/x
3. Step 3: Cross multiply
   110,110.56x = 165,900.45 × 99,592.72
4. Step 4: Simplify right side
   110,110.56x = 16,522,477,064.72
5. Step 5: Solve for x
   x = 16,522,477,064.72/110,110.56
6. Step 6: Final answer
   x = 150,053.52