Finding the Fourth Proportional to 28,303.02, 42,456.69 and 7,525.98

Step by Step Solution

1. Step 1: Write the proportion equation
   28,303.02 : 42,456.69 = 7,525.98 : x
2. Step 2: Convert to fraction form
   28,303.02/42,456.69 = 7,525.98/x
3. Step 3: Cross multiply
   28,303.02x = 42,456.69 × 7,525.98
4. Step 4: Simplify right side
   28,303.02x = 319,528,199.81
5. Step 5: Solve for x
   x = 319,528,199.81/28,303.02
6. Step 6: Final answer
   x = 11,289.54