Finding the Fourth Proportional to 116,900.80, 175,367.40 and 42,002.80

Step by Step Solution

1. Step 1: Write the proportion equation
   116,900.80 : 175,367.40 = 42,002.80 : x
2. Step 2: Convert to fraction form
   116,900.80/175,367.40 = 42,002.80/x
3. Step 3: Cross multiply
   116,900.80x = 175,367.40 × 42,002.80
4. Step 4: Simplify right side
   116,900.80x = 7,365,921,828.72
5. Step 5: Solve for x
   x = 7,365,921,828.72/116,900.80
6. Step 6: Final answer
   x = 63,010.02