Finding the Fourth Proportional to 75,116.70, 103,666.81 and 42,852.03

Step by Step Solution

1. Step 1: Write the proportion equation
   75,116.70 : 103,666.81 = 42,852.03 : x
2. Step 2: Convert to fraction form
   75,116.70/103,666.81 = 42,852.03/x
3. Step 3: Cross multiply
   75,116.70x = 103,666.81 × 42,852.03
4. Step 4: Simplify right side
   75,116.70x = 4,442,333,659.77
5. Step 5: Solve for x
   x = 4,442,333,659.77/75,116.70
6. Step 6: Final answer
   x = 59,139.09