Finding the Fourth Proportional to 111,068.30, 153,114.83 and 79,181.84

Step by Step Solution

1. Step 1: Write the proportion equation
   111,068.30 : 153,114.83 = 79,181.84 : x
2. Step 2: Convert to fraction form
   111,068.30/153,114.83 = 79,181.84/x
3. Step 3: Cross multiply
   111,068.30x = 153,114.83 × 79,181.84
4. Step 4: Simplify right side
   111,068.30x = 12,123,913,970.69
5. Step 5: Solve for x
   x = 12,123,913,970.69/111,068.30
6. Step 6: Final answer
   x = 109,157.28