Finding the Fourth Proportional to 91,605.60, 137,102.22 and 52,152.12

Step by Step Solution

1. Step 1: Write the proportion equation
   91,605.60 : 137,102.22 = 52,152.12 : x
2. Step 2: Convert to fraction form
   91,605.60/137,102.22 = 52,152.12/x
3. Step 3: Cross multiply
   91,605.60x = 137,102.22 × 52,152.12
4. Step 4: Simplify right side
   91,605.60x = 7,150,171,429.71
5. Step 5: Solve for x
   x = 7,150,171,429.71/91,605.60
6. Step 6: Final answer
   x = 78,053.87