Finding the Fourth Proportional to 116,962.33, 161,408.98 and 64,575.99

Step by Step Solution

1. Step 1: Write the proportion equation
   116,962.33 : 161,408.98 = 64,575.99 : x
2. Step 2: Convert to fraction form
   116,962.33/161,408.98 = 64,575.99/x
3. Step 3: Cross multiply
   116,962.33x = 161,408.98 × 64,575.99
4. Step 4: Simplify right side
   116,962.33x = 10,423,144,678.39
5. Step 5: Solve for x
   x = 10,423,144,678.39/116,962.33
6. Step 6: Final answer
   x = 89,115.40