Finding the Fourth Proportional to 83,691.83, 115,494.72 and 45,451.19

Step by Step Solution

1. Step 1: Write the proportion equation
   83,691.83 : 115,494.72 = 45,451.19 : x
2. Step 2: Convert to fraction form
   83,691.83/115,494.72 = 45,451.19/x
3. Step 3: Cross multiply
   83,691.83x = 115,494.72 × 45,451.19
4. Step 4: Simplify right side
   83,691.83x = 5,249,372,462.72
5. Step 5: Solve for x
   x = 5,249,372,462.72/83,691.83
6. Step 6: Final answer
   x = 62,722.64