Finding the Fourth Proportional to 83,647.53, 115,432.16 and 45,921.51

Step by Step Solution

1. Step 1: Write the proportion equation
   83,647.53 : 115,432.16 = 45,921.51 : x
2. Step 2: Convert to fraction form
   83,647.53/115,432.16 = 45,921.51/x
3. Step 3: Cross multiply
   83,647.53x = 115,432.16 × 45,921.51
4. Step 4: Simplify right side
   83,647.53x = 5,300,818,860.15
5. Step 5: Solve for x
   x = 5,300,818,860.15/83,647.53
6. Step 6: Final answer
   x = 63,370.90