Finding the Fourth Proportional to 81,386,443.32, 112,285,514.43 and 50,435,319.48

Step by Step Solution

1. Step 1: Write the proportion equation
   81,386,443.32 : 112,285,514.43 = 50,435,319.48 : x
2. Step 2: Convert to fraction form
   81,386,443.32/112,285,514.43 = 50,435,319.48/x
3. Step 3: Cross multiply
   81,386,443.32x = 112,285,514.43 × 50,435,319.48
4. Step 4: Simplify right side
   81,386,443.32x = 5,663,155,793,253,200
5. Step 5: Solve for x
   x = 5,663,155,793,253,200/81,386,443.32
6. Step 6: Final answer
   x = 69,583,527.21