Finding the Fourth Proportional to 112,703.25, 169,038.31 and 42,566.16

Step by Step Solution

1. Step 1: Write the proportion equation
   112,703.25 : 169,038.31 = 42,566.16 : x
2. Step 2: Convert to fraction form
   112,703.25/169,038.31 = 42,566.16/x
3. Step 3: Cross multiply
   112,703.25x = 169,038.31 × 42,566.16
4. Step 4: Simplify right side
   112,703.25x = 7,195,311,749.59
5. Step 5: Solve for x
   x = 7,195,311,749.59/112,703.25
6. Step 6: Final answer
   x = 63,842.98