Finding the Fourth Proportional to 112,820.14, 169,234.89 and 93,061.90

Step by Step Solution

1. Step 1: Write the proportion equation
   112,820.14 : 169,234.89 = 93,061.90 : x
2. Step 2: Convert to fraction form
   112,820.14/169,234.89 = 93,061.90/x
3. Step 3: Cross multiply
   112,820.14x = 169,234.89 × 93,061.90
4. Step 4: Simplify right side
   112,820.14x = 15,749,320,409.69
5. Step 5: Solve for x
   x = 15,749,320,409.69/112,820.14
6. Step 6: Final answer
   x = 139,596.71