Finding the Fourth Proportional to 112,980.82, 169,472.20 and 28,741.07

Step by Step Solution

1. Step 1: Write the proportion equation
   112,980.82 : 169,472.20 = 28,741.07 : x
2. Step 2: Convert to fraction form
   112,980.82/169,472.20 = 28,741.07/x
3. Step 3: Cross multiply
   112,980.82x = 169,472.20 × 28,741.07
4. Step 4: Simplify right side
   112,980.82x = 4,870,811,551.82
5. Step 5: Solve for x
   x = 4,870,811,551.82/112,980.82
6. Step 6: Final answer
   x = 43,111.85