Finding the Fourth Proportional to 70,287.74, 96,994.23 and 42,009.02

Step by Step Solution

1. Step 1: Write the proportion equation
   70,287.74 : 96,994.23 = 42,009.02 : x
2. Step 2: Convert to fraction form
   70,287.74/96,994.23 = 42,009.02/x
3. Step 3: Cross multiply
   70,287.74x = 96,994.23 × 42,009.02
4. Step 4: Simplify right side
   70,287.74x = 4,074,632,547.95
5. Step 5: Solve for x
   x = 4,074,632,547.95/70,287.74
6. Step 6: Final answer
   x = 57,970.74