Finding the Fourth Proportional to 81,630.32, 112,656.24 and 45,818.08

Step by Step Solution

1. Step 1: Write the proportion equation
   81,630.32 : 112,656.24 = 45,818.08 : x
2. Step 2: Convert to fraction form
   81,630.32/112,656.24 = 45,818.08/x
3. Step 3: Cross multiply
   81,630.32x = 112,656.24 × 45,818.08
4. Step 4: Simplify right side
   81,630.32x = 5,161,692,616.82
5. Step 5: Solve for x
   x = 5,161,692,616.82/81,630.32
6. Step 6: Final answer
   x = 63,232.54