Finding the Fourth Proportional to 101,893, 140,625.30 and 57,181

Step by Step Solution

1. Step 1: Write the proportion equation
   101,893 : 140,625.30 = 57,181 : x
2. Step 2: Convert to fraction form
   101,893/140,625.30 = 57,181/x
3. Step 3: Cross multiply
   101,893x = 140,625.30 × 57,181
4. Step 4: Simplify right side
   101,893x = 8,041,095,279.30
5. Step 5: Solve for x
   x = 8,041,095,279.30/101,893
6. Step 6: Final answer
   x = 78,917.05