Finding the Fourth Proportional to 109,590.09, 164,400.59 and 42,994.09

Step by Step Solution

1. Step 1: Write the proportion equation
   109,590.09 : 164,400.59 = 42,994.09 : x
2. Step 2: Convert to fraction form
   109,590.09/164,400.59 = 42,994.09/x
3. Step 3: Cross multiply
   109,590.09x = 164,400.59 × 42,994.09
4. Step 4: Simplify right side
   109,590.09x = 7,068,253,762.51
5. Step 5: Solve for x
   x = 7,068,253,762.51/109,590.09
6. Step 6: Final answer
   x = 64,497.20