Finding the Fourth Proportional to 196,641.88, 295,061.27 and 90,025.63

Step by Step Solution

1. Step 1: Write the proportion equation
   196,641.88 : 295,061.27 = 90,025.63 : x
2. Step 2: Convert to fraction form
   196,641.88/295,061.27 = 90,025.63/x
3. Step 3: Cross multiply
   196,641.88x = 295,061.27 × 90,025.63
4. Step 4: Simplify right side
   196,641.88x = 26,563,075,532.57
5. Step 5: Solve for x
   x = 26,563,075,532.57/196,641.88
6. Step 6: Final answer
   x = 135,083.51