Finding the Fourth Proportional to 116,425, 160,666.50 and 63,433

Step by Step Solution

1. Step 1: Write the proportion equation
   116,425 : 160,666.50 = 63,433 : x
2. Step 2: Convert to fraction form
   116,425/160,666.50 = 63,433/x
3. Step 3: Cross multiply
   116,425x = 160,666.50 × 63,433
4. Step 4: Simplify right side
   116,425x = 10,191,558,094.50
5. Step 5: Solve for x
   x = 10,191,558,094.50/116,425
6. Step 6: Final answer
   x = 87,537.54