Finding the Fourth Proportional to 93,099.42, 139,647.51 and 22,978.80

Step by Step Solution

1. Step 1: Write the proportion equation
   93,099.42 : 139,647.51 = 22,978.80 : x
2. Step 2: Convert to fraction form
   93,099.42/139,647.51 = 22,978.80/x
3. Step 3: Cross multiply
   93,099.42x = 139,647.51 × 22,978.80
4. Step 4: Simplify right side
   93,099.42x = 3,208,932,202.79
5. Step 5: Solve for x
   x = 3,208,932,202.79/93,099.42
6. Step 6: Final answer
   x = 34,467.80