Finding the Fourth Proportional to 109,521.06, 164,210.98 and 42,967.92

Step by Step Solution

1. Step 1: Write the proportion equation
   109,521.06 : 164,210.98 = 42,967.92 : x
2. Step 2: Convert to fraction form
   109,521.06/164,210.98 = 42,967.92/x
3. Step 3: Cross multiply
   109,521.06x = 164,210.98 × 42,967.92
4. Step 4: Simplify right side
   109,521.06x = 7,055,804,144.34
5. Step 5: Solve for x
   x = 7,055,804,144.34/109,521.06
6. Step 6: Final answer
   x = 64,424.18