Finding the Fourth Proportional to 107,093.86, 147,768.24 and 64,654.72

Step by Step Solution

1. Step 1: Write the proportion equation
   107,093.86 : 147,768.24 = 64,654.72 : x
2. Step 2: Convert to fraction form
   107,093.86/147,768.24 = 64,654.72/x
3. Step 3: Cross multiply
   107,093.86x = 147,768.24 × 64,654.72
4. Step 4: Simplify right side
   107,093.86x = 9,553,914,182.09
5. Step 5: Solve for x
   x = 9,553,914,182.09/107,093.86
6. Step 6: Final answer
   x = 89,210.66