Finding the Fourth Proportional to 9,034.01, 13,547.50 and 3,109.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,034.01 : 13,547.50 = 3,109.78 : x
2. Step 2: Convert to fraction form
   9,034.01/13,547.50 = 3,109.78/x
3. Step 3: Cross multiply
   9,034.01x = 13,547.50 × 3,109.78
4. Step 4: Simplify right side
   9,034.01x = 42,129,695.00
5. Step 5: Solve for x
   x = 42,129,695.00/9,034.01
6. Step 6: Final answer
   x = 4,663.45