Finding the Fourth Proportional to 83,296.62, 124,987.86 and 45,886.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,296.62 : 124,987.86 = 45,886.50 : x
2. Step 2: Convert to fraction form
   83,296.62/124,987.86 = 45,886.50/x
3. Step 3: Cross multiply
   83,296.62x = 124,987.86 × 45,886.50
4. Step 4: Simplify right side
   83,296.62x = 5,735,255,437.89
5. Step 5: Solve for x
   x = 5,735,255,437.89/83,296.62
6. Step 6: Final answer
   x = 68,853.40