Finding the Fourth Proportional to 221,068.71, 331,366.55 and 114,345.23

Step by Step Solution

1. Step 1: Write the proportion equation
   221,068.71 : 331,366.55 = 114,345.23 : x
2. Step 2: Convert to fraction form
   221,068.71/331,366.55 = 114,345.23/x
3. Step 3: Cross multiply
   221,068.71x = 331,366.55 × 114,345.23
4. Step 4: Simplify right side
   221,068.71x = 37,890,182,145.50
5. Step 5: Solve for x
   x = 37,890,182,145.50/221,068.71
6. Step 6: Final answer
   x = 171,395.50