Finding the Fourth Proportional to 93,142.70, 139,719.12 and 26,577.72

Step by Step Solution

1. Step 1: Write the proportion equation
   93,142.70 : 139,719.12 = 26,577.72 : x
2. Step 2: Convert to fraction form
   93,142.70/139,719.12 = 26,577.72/x
3. Step 3: Cross multiply
   93,142.70x = 139,719.12 × 26,577.72
4. Step 4: Simplify right side
   93,142.70x = 3,713,415,650.01
5. Step 5: Solve for x
   x = 3,713,415,650.01/93,142.70
6. Step 6: Final answer
   x = 39,868.03