Finding the Fourth Proportional to 252,100.84, 378,150.18 and 74,608.96

Step by Step Solution

1. Step 1: Write the proportion equation
   252,100.84 : 378,150.18 = 74,608.96 : x
2. Step 2: Convert to fraction form
   252,100.84/378,150.18 = 74,608.96/x
3. Step 3: Cross multiply
   252,100.84x = 378,150.18 × 74,608.96
4. Step 4: Simplify right side
   252,100.84x = 28,213,391,653.61
5. Step 5: Solve for x
   x = 28,213,391,653.61/252,100.84
6. Step 6: Final answer
   x = 111,913.12