Finding the Fourth Proportional to 112,929.86, 169,098.86 and 79,468.76

Step by Step Solution

1. Step 1: Write the proportion equation
   112,929.86 : 169,098.86 = 79,468.76 : x
2. Step 2: Convert to fraction form
   112,929.86/169,098.86 = 79,468.76/x
3. Step 3: Cross multiply
   112,929.86x = 169,098.86 × 79,468.76
4. Step 4: Simplify right side
   112,929.86x = 13,438,075,478.78
5. Step 5: Solve for x
   x = 13,438,075,478.78/112,929.86
6. Step 6: Final answer
   x = 118,994.89