Finding the Fourth Proportional to 112,741.70, 169,111.94 and 28,501.83

Step by Step Solution

1. Step 1: Write the proportion equation
   112,741.70 : 169,111.94 = 28,501.83 : x
2. Step 2: Convert to fraction form
   112,741.70/169,111.94 = 28,501.83/x
3. Step 3: Cross multiply
   112,741.70x = 169,111.94 × 28,501.83
4. Step 4: Simplify right side
   112,741.70x = 4,819,999,622.34
5. Step 5: Solve for x
   x = 4,819,999,622.34/112,741.70
6. Step 6: Final answer
   x = 42,752.59