Finding the Fourth Proportional to 10,042.50, 15,069.01 and 7,291.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,042.50 : 15,069.01 = 7,291.89 : x
2. Step 2: Convert to fraction form
   10,042.50/15,069.01 = 7,291.89/x
3. Step 3: Cross multiply
   10,042.50x = 15,069.01 × 7,291.89
4. Step 4: Simplify right side
   10,042.50x = 109,881,526.87
5. Step 5: Solve for x
   x = 109,881,526.87/10,042.50
6. Step 6: Final answer
   x = 10,941.65