Finding the Fourth Proportional to 91,834.02, 137,619.62 and 52,309.54

Step by Step Solution

1. Step 1: Write the proportion equation
   91,834.02 : 137,619.62 = 52,309.54 : x
2. Step 2: Convert to fraction form
   91,834.02/137,619.62 = 52,309.54/x
3. Step 3: Cross multiply
   91,834.02x = 137,619.62 × 52,309.54
4. Step 4: Simplify right side
   91,834.02x = 7,198,819,017.17
5. Step 5: Solve for x
   x = 7,198,819,017.17/91,834.02
6. Step 6: Final answer
   x = 78,389.46