Finding the Fourth Proportional to 83,131.32, 114,721.02 and 45,405.48

Step by Step Solution

1. Step 1: Write the proportion equation
   83,131.32 : 114,721.02 = 45,405.48 : x
2. Step 2: Convert to fraction form
   83,131.32/114,721.02 = 45,405.48/x
3. Step 3: Cross multiply
   83,131.32x = 114,721.02 × 45,405.48
4. Step 4: Simplify right side
   83,131.32x = 5,208,962,979.19
5. Step 5: Solve for x
   x = 5,208,962,979.19/83,131.32
6. Step 6: Final answer
   x = 62,659.45