Finding the Fourth Proportional to 10,937.59, 15,075.69 and 7,746.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,937.59 : 15,075.69 = 7,746.79 : x
2. Step 2: Convert to fraction form
   10,937.59/15,075.69 = 7,746.79/x
3. Step 3: Cross multiply
   10,937.59x = 15,075.69 × 7,746.79
4. Step 4: Simplify right side
   10,937.59x = 116,788,204.54
5. Step 5: Solve for x
   x = 116,788,204.54/10,937.59
6. Step 6: Final answer
   x = 10,677.69