Finding the Fourth Proportional to 93,856.86, 140,690.52 and 58,821.12

Step by Step Solution

1. Step 1: Write the proportion equation
   93,856.86 : 140,690.52 = 58,821.12 : x
2. Step 2: Convert to fraction form
   93,856.86/140,690.52 = 58,821.12/x
3. Step 3: Cross multiply
   93,856.86x = 140,690.52 × 58,821.12
4. Step 4: Simplify right side
   93,856.86x = 8,275,573,959.78
5. Step 5: Solve for x
   x = 8,275,573,959.78/93,856.86
6. Step 6: Final answer
   x = 88,172.29