Finding the Fourth Proportional to 116,505.42, 160,775.55 and 64,820.52

Step by Step Solution

1. Step 1: Write the proportion equation
   116,505.42 : 160,775.55 = 64,820.52 : x
2. Step 2: Convert to fraction form
   116,505.42/160,775.55 = 64,820.52/x
3. Step 3: Cross multiply
   116,505.42x = 160,775.55 × 64,820.52
4. Step 4: Simplify right side
   116,505.42x = 10,421,554,754.29
5. Step 5: Solve for x
   x = 10,421,554,754.29/116,505.42
6. Step 6: Final answer
   x = 89,451.24