Finding the Fourth Proportional to 83,426.63, 115,128.81 and 45,700.88

Step by Step Solution

1. Step 1: Write the proportion equation
   83,426.63 : 115,128.81 = 45,700.88 : x
2. Step 2: Convert to fraction form
   83,426.63/115,128.81 = 45,700.88/x
3. Step 3: Cross multiply
   83,426.63x = 115,128.81 × 45,700.88
4. Step 4: Simplify right side
   83,426.63x = 5,261,487,354.71
5. Step 5: Solve for x
   x = 5,261,487,354.71/83,426.63
6. Step 6: Final answer
   x = 63,067.24