Finding the Fourth Proportional to 111,666.02, 154,086.18 and 63,916.52

Step by Step Solution

1. Step 1: Write the proportion equation
   111,666.02 : 154,086.18 = 63,916.52 : x
2. Step 2: Convert to fraction form
   111,666.02/154,086.18 = 63,916.52/x
3. Step 3: Cross multiply
   111,666.02x = 154,086.18 × 63,916.52
4. Step 4: Simplify right side
   111,666.02x = 9,848,652,405.69
5. Step 5: Solve for x
   x = 9,848,652,405.69/111,666.02
6. Step 6: Final answer
   x = 88,197.40