Finding the Fourth Proportional to 72,301.41, 99,778.23 and 42,097.32

Step by Step Solution

1. Step 1: Write the proportion equation
   72,301.41 : 99,778.23 = 42,097.32 : x
2. Step 2: Convert to fraction form
   72,301.41/99,778.23 = 42,097.32/x
3. Step 3: Cross multiply
   72,301.41x = 99,778.23 × 42,097.32
4. Step 4: Simplify right side
   72,301.41x = 4,200,396,077.34
5. Step 5: Solve for x
   x = 4,200,396,077.34/72,301.41
6. Step 6: Final answer
   x = 58,095.63