Finding the Fourth Proportional to 28,598.25, 42,899.94 and 7,538.01

Step by Step Solution

1. Step 1: Write the proportion equation
   28,598.25 : 42,899.94 = 7,538.01 : x
2. Step 2: Convert to fraction form
   28,598.25/42,899.94 = 7,538.01/x
3. Step 3: Cross multiply
   28,598.25x = 42,899.94 × 7,538.01
4. Step 4: Simplify right side
   28,598.25x = 323,380,267.76
5. Step 5: Solve for x
   x = 323,380,267.76/28,598.25
6. Step 6: Final answer
   x = 11,307.69