Finding the Fourth Proportional to 99,383.52, 137,152.82 and 56,950.25

Step by Step Solution

1. Step 1: Write the proportion equation
   99,383.52 : 137,152.82 = 56,950.25 : x
2. Step 2: Convert to fraction form
   99,383.52/137,152.82 = 56,950.25/x
3. Step 3: Cross multiply
   99,383.52x = 137,152.82 × 56,950.25
4. Step 4: Simplify right side
   99,383.52x = 7,810,886,416.69
5. Step 5: Solve for x
   x = 7,810,886,416.69/99,383.52
6. Step 6: Final answer
   x = 78,593.38