Finding the Fourth Proportional to 10,075.31, 13,903.27 and 5,598.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,075.31 : 13,903.27 = 5,598.78 : x
2. Step 2: Convert to fraction form
   10,075.31/13,903.27 = 5,598.78/x
3. Step 3: Cross multiply
   10,075.31x = 13,903.27 × 5,598.78
4. Step 4: Simplify right side
   10,075.31x = 77,841,350.01
5. Step 5: Solve for x
   x = 77,841,350.01/10,075.31
6. Step 6: Final answer
   x = 7,725.95