Finding the Fourth Proportional to 106,016.19, 158,962.78 and 42,784.55

Step by Step Solution

1. Step 1: Write the proportion equation
   106,016.19 : 158,962.78 = 42,784.55 : x
2. Step 2: Convert to fraction form
   106,016.19/158,962.78 = 42,784.55/x
3. Step 3: Cross multiply
   106,016.19x = 158,962.78 × 42,784.55
4. Step 4: Simplify right side
   106,016.19x = 6,801,151,637.66
5. Step 5: Solve for x
   x = 6,801,151,637.66/106,016.19
6. Step 6: Final answer
   x = 64,152.01