Finding the Fourth Proportional to 91,953.92, 137,832.72 and 52,425.92

Step by Step Solution

1. Step 1: Write the proportion equation
   91,953.92 : 137,832.72 = 52,425.92 : x
2. Step 2: Convert to fraction form
   91,953.92/137,832.72 = 52,425.92/x
3. Step 3: Cross multiply
   91,953.92x = 137,832.72 × 52,425.92
4. Step 4: Simplify right side
   91,953.92x = 7,226,007,152.10
5. Step 5: Solve for x
   x = 7,226,007,152.10/91,953.92
6. Step 6: Final answer
   x = 78,582.92