Finding the Fourth Proportional to 83,886.43, 115,761.55 and 45,646.74

Step by Step Solution

1. Step 1: Write the proportion equation
   83,886.43 : 115,761.55 = 45,646.74 : x
2. Step 2: Convert to fraction form
   83,886.43/115,761.55 = 45,646.74/x
3. Step 3: Cross multiply
   83,886.43x = 115,761.55 × 45,646.74
4. Step 4: Simplify right side
   83,886.43x = 5,284,136,796.04
5. Step 5: Solve for x
   x = 5,284,136,796.04/83,886.43
6. Step 6: Final answer
   x = 62,991.56