Finding the Fourth Proportional to 132,654.89, 183,047.88 and 78,165.78

Step by Step Solution

1. Step 1: Write the proportion equation
   132,654.89 : 183,047.88 = 78,165.78 : x
2. Step 2: Convert to fraction form
   132,654.89/183,047.88 = 78,165.78/x
3. Step 3: Cross multiply
   132,654.89x = 183,047.88 × 78,165.78
4. Step 4: Simplify right side
   132,654.89x = 14,308,081,468.71
5. Step 5: Solve for x
   x = 14,308,081,468.71/132,654.89
6. Step 6: Final answer
   x = 107,859.44