Finding the Fourth Proportional to 169,890.27, 234,422.75 and 93,412.50

Step by Step Solution

1. Step 1: Write the proportion equation
   169,890.27 : 234,422.75 = 93,412.50 : x
2. Step 2: Convert to fraction form
   169,890.27/234,422.75 = 93,412.50/x
3. Step 3: Cross multiply
   169,890.27x = 234,422.75 × 93,412.50
4. Step 4: Simplify right side
   169,890.27x = 21,898,014,667.31
5. Step 5: Solve for x
   x = 21,898,014,667.31/169,890.27
6. Step 6: Final answer
   x = 128,895.05