Finding the Fourth Proportional to 95,953.94, 142,966.17 and 90,588.50

Step by Step Solution

1. Step 1: Write the proportion equation
   95,953.94 : 142,966.17 = 90,588.50 : x
2. Step 2: Convert to fraction form
   95,953.94/142,966.17 = 90,588.50/x
3. Step 3: Cross multiply
   95,953.94x = 142,966.17 × 90,588.50
4. Step 4: Simplify right side
   95,953.94x = 12,951,090,438.10
5. Step 5: Solve for x
   x = 12,951,090,438.10/95,953.94
6. Step 6: Final answer
   x = 134,971.95