Finding the Fourth Proportional to 118,870.78, 178,240.52 and 48,799.30

Step by Step Solution

1. Step 1: Write the proportion equation
   118,870.78 : 178,240.52 = 48,799.30 : x
2. Step 2: Convert to fraction form
   118,870.78/178,240.52 = 48,799.30/x
3. Step 3: Cross multiply
   118,870.78x = 178,240.52 × 48,799.30
4. Step 4: Simplify right side
   118,870.78x = 8,698,012,607.64
5. Step 5: Solve for x
   x = 8,698,012,607.64/118,870.78
6. Step 6: Final answer
   x = 73,172.00