Finding the Fourth Proportional to 118,742.31, 178,113.83 and 28,784.67

Step by Step Solution

1. Step 1: Write the proportion equation
   118,742.31 : 178,113.83 = 28,784.67 : x
2. Step 2: Convert to fraction form
   118,742.31/178,113.83 = 28,784.67/x
3. Step 3: Cross multiply
   118,742.31x = 178,113.83 × 28,784.67
4. Step 4: Simplify right side
   118,742.31x = 5,126,947,818.99
5. Step 5: Solve for x
   x = 5,126,947,818.99/118,742.31
6. Step 6: Final answer
   x = 43,177.09