Finding the Fourth Proportional to 250,419.18, 375,623.30 and 60,880.55

Step by Step Solution

1. Step 1: Write the proportion equation
   250,419.18 : 375,623.30 = 60,880.55 : x
2. Step 2: Convert to fraction form
   250,419.18/375,623.30 = 60,880.55/x
3. Step 3: Cross multiply
   250,419.18x = 375,623.30 × 60,880.55
4. Step 4: Simplify right side
   250,419.18x = 22,868,150,914.30
5. Step 5: Solve for x
   x = 22,868,150,914.30/250,419.18
6. Step 6: Final answer
   x = 91,319.49