Finding the Fourth Proportional to 83,389.04, 115,075.72 and 45,663.28

Step by Step Solution

1. Step 1: Write the proportion equation
   83,389.04 : 115,075.72 = 45,663.28 : x
2. Step 2: Convert to fraction form
   83,389.04/115,075.72 = 45,663.28/x
3. Step 3: Cross multiply
   83,389.04x = 115,075.72 × 45,663.28
4. Step 4: Simplify right side
   83,389.04x = 5,254,734,823.56
5. Step 5: Solve for x
   x = 5,254,734,823.56/83,389.04
6. Step 6: Final answer
   x = 63,014.69