Finding the Fourth Proportional to 93,156.89, 139,776.86 and 33,978.72

Step by Step Solution

1. Step 1: Write the proportion equation
   93,156.89 : 139,776.86 = 33,978.72 : x
2. Step 2: Convert to fraction form
   93,156.89/139,776.86 = 33,978.72/x
3. Step 3: Cross multiply
   93,156.89x = 139,776.86 × 33,978.72
4. Step 4: Simplify right side
   93,156.89x = 4,749,438,788.42
5. Step 5: Solve for x
   x = 4,749,438,788.42/93,156.89
6. Step 6: Final answer
   x = 50,983.23