Finding the Fourth Proportional to 65,345.84, 90,097.56 and 55,256.24

Step by Step Solution

1. Step 1: Write the proportion equation
   65,345.84 : 90,097.56 = 55,256.24 : x
2. Step 2: Convert to fraction form
   65,345.84/90,097.56 = 55,256.24/x
3. Step 3: Cross multiply
   65,345.84x = 90,097.56 × 55,256.24
4. Step 4: Simplify right side
   65,345.84x = 4,978,452,398.77
5. Step 5: Solve for x
   x = 4,978,452,398.77/65,345.84
6. Step 6: Final answer
   x = 76,186.22