Finding the Fourth Proportional to 102,116.77, 140,900.28 and 59,667.10

Step by Step Solution

1. Step 1: Write the proportion equation
   102,116.77 : 140,900.28 = 59,667.10 : x
2. Step 2: Convert to fraction form
   102,116.77/140,900.28 = 59,667.10/x
3. Step 3: Cross multiply
   102,116.77x = 140,900.28 × 59,667.10
4. Step 4: Simplify right side
   102,116.77x = 8,407,111,096.79
5. Step 5: Solve for x
   x = 8,407,111,096.79/102,116.77
6. Step 6: Final answer
   x = 82,328.41