Finding the Fourth Proportional to 112,572.50, 168,858.71 and 42,435.41

Step by Step Solution

1. Step 1: Write the proportion equation
   112,572.50 : 168,858.71 = 42,435.41 : x
2. Step 2: Convert to fraction form
   112,572.50/168,858.71 = 42,435.41/x
3. Step 3: Cross multiply
   112,572.50x = 168,858.71 × 42,435.41
4. Step 4: Simplify right side
   112,572.50x = 7,165,587,534.45
5. Step 5: Solve for x
   x = 7,165,587,534.45/112,572.50
6. Step 6: Final answer
   x = 63,653.09