Finding the Fourth Proportional to 101,353.96, 139,853.59 and 57,746.94

Step by Step Solution

1. Step 1: Write the proportion equation
   101,353.96 : 139,853.59 = 57,746.94 : x
2. Step 2: Convert to fraction form
   101,353.96/139,853.59 = 57,746.94/x
3. Step 3: Cross multiply
   101,353.96x = 139,853.59 × 57,746.94
4. Step 4: Simplify right side
   101,353.96x = 8,076,116,870.51
5. Step 5: Solve for x
   x = 8,076,116,870.51/101,353.96
6. Step 6: Final answer
   x = 79,682.30