Finding the Fourth Proportional to 103,426.01, 155,147.94 and 28,546.16

Step by Step Solution

1. Step 1: Write the proportion equation
   103,426.01 : 155,147.94 = 28,546.16 : x
2. Step 2: Convert to fraction form
   103,426.01/155,147.94 = 28,546.16/x
3. Step 3: Cross multiply
   103,426.01x = 155,147.94 × 28,546.16
4. Step 4: Simplify right side
   103,426.01x = 4,428,877,143.17
5. Step 5: Solve for x
   x = 4,428,877,143.17/103,426.01
6. Step 6: Final answer
   x = 42,821.70