Finding the Fourth Proportional to 102,798.45, 153,978.84 and 49,412.16

Step by Step Solution

1. Step 1: Write the proportion equation
   102,798.45 : 153,978.84 = 49,412.16 : x
2. Step 2: Convert to fraction form
   102,798.45/153,978.84 = 49,412.16/x
3. Step 3: Cross multiply
   102,798.45x = 153,978.84 × 49,412.16
4. Step 4: Simplify right side
   102,798.45x = 7,608,427,078.69
5. Step 5: Solve for x
   x = 7,608,427,078.69/102,798.45
6. Step 6: Final answer
   x = 74,013.05