Finding the Fourth Proportional to 109,477.90, 164,309.12 and 42,964.74

Step by Step Solution

1. Step 1: Write the proportion equation
   109,477.90 : 164,309.12 = 42,964.74 : x
2. Step 2: Convert to fraction form
   109,477.90/164,309.12 = 42,964.74/x
3. Step 3: Cross multiply
   109,477.90x = 164,309.12 × 42,964.74
4. Step 4: Simplify right side
   109,477.90x = 7,059,498,566.72
5. Step 5: Solve for x
   x = 7,059,498,566.72/109,477.90
6. Step 6: Final answer
   x = 64,483.32