Finding the Fourth Proportional to 74,471.82, 111,763.89 and 39,419.34

Step by Step Solution

1. Step 1: Write the proportion equation
   74,471.82 : 111,763.89 = 39,419.34 : x
2. Step 2: Convert to fraction form
   74,471.82/111,763.89 = 39,419.34/x
3. Step 3: Cross multiply
   74,471.82x = 111,763.89 × 39,419.34
4. Step 4: Simplify right side
   74,471.82x = 4,405,658,779.63
5. Step 5: Solve for x
   x = 4,405,658,779.63/74,471.82
6. Step 6: Final answer
   x = 59,158.74