Finding the Fourth Proportional to 81,875.82, 112,951.86 and 50,038.80

Step by Step Solution

1. Step 1: Write the proportion equation
   81,875.82 : 112,951.86 = 50,038.80 : x
2. Step 2: Convert to fraction form
   81,875.82/112,951.86 = 50,038.80/x
3. Step 3: Cross multiply
   81,875.82x = 112,951.86 × 50,038.80
4. Step 4: Simplify right side
   81,875.82x = 5,651,975,532.17
5. Step 5: Solve for x
   x = 5,651,975,532.17/81,875.82
6. Step 6: Final answer
   x = 69,031.07