Finding the Fourth Proportional to 103,056.87, 155,287.33 and 84,747.06

Step by Step Solution

1. Step 1: Write the proportion equation
   103,056.87 : 155,287.33 = 84,747.06 : x
2. Step 2: Convert to fraction form
   103,056.87/155,287.33 = 84,747.06/x
3. Step 3: Cross multiply
   103,056.87x = 155,287.33 × 84,747.06
4. Step 4: Simplify right side
   103,056.87x = 13,160,144,460.88
5. Step 5: Solve for x
   x = 13,160,144,460.88/103,056.87
6. Step 6: Final answer
   x = 127,697.88