Finding the Fourth Proportional to 97,200.50, 134,136.69 and 52,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   97,200.50 : 134,136.69 = 52,488.50 : x
2. Step 2: Convert to fraction form
   97,200.50/134,136.69 = 52,488.50/x
3. Step 3: Cross multiply
   97,200.50x = 134,136.69 × 52,488.50
4. Step 4: Simplify right side
   97,200.50x = 7,040,633,653.07
5. Step 5: Solve for x
   x = 7,040,633,653.07/97,200.50
6. Step 6: Final answer
   x = 72,434.13