Finding the Fourth Proportional to 110,156.72, 152,012.78 and 64,824.26

Step by Step Solution

1. Step 1: Write the proportion equation
   110,156.72 : 152,012.78 = 64,824.26 : x
2. Step 2: Convert to fraction form
   110,156.72/152,012.78 = 64,824.26/x
3. Step 3: Cross multiply
   110,156.72x = 152,012.78 × 64,824.26
4. Step 4: Simplify right side
   110,156.72x = 9,854,115,974.04
5. Step 5: Solve for x
   x = 9,854,115,974.04/110,156.72
6. Step 6: Final answer
   x = 89,455.42