Finding the Fourth Proportional to 10,356.53, 15,529.52 and 5,091.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,356.53 : 15,529.52 = 5,091.93 : x
2. Step 2: Convert to fraction form
   10,356.53/15,529.52 = 5,091.93/x
3. Step 3: Cross multiply
   10,356.53x = 15,529.52 × 5,091.93
4. Step 4: Simplify right side
   10,356.53x = 79,075,241.50
5. Step 5: Solve for x
   x = 79,075,241.50/10,356.53
6. Step 6: Final answer
   x = 7,635.31