Finding the Fourth Proportional to 253,100.04, 349,264.35 and 139,915.50

Step by Step Solution

1. Step 1: Write the proportion equation
   253,100.04 : 349,264.35 = 139,915.50 : x
2. Step 2: Convert to fraction form
   253,100.04/349,264.35 = 139,915.50/x
3. Step 3: Cross multiply
   253,100.04x = 349,264.35 × 139,915.50
4. Step 4: Simplify right side
   253,100.04x = 48,867,496,162.43
5. Step 5: Solve for x
   x = 48,867,496,162.43/253,100.04
6. Step 6: Final answer
   x = 193,075.81