Finding the Fourth Proportional to 76,853.32, 106,058.16 and 42,864.03

Step by Step Solution

1. Step 1: Write the proportion equation
   76,853.32 : 106,058.16 = 42,864.03 : x
2. Step 2: Convert to fraction form
   76,853.32/106,058.16 = 42,864.03/x
3. Step 3: Cross multiply
   76,853.32x = 106,058.16 × 42,864.03
4. Step 4: Simplify right side
   76,853.32x = 4,546,080,151.98
5. Step 5: Solve for x
   x = 4,546,080,151.98/76,853.32
6. Step 6: Final answer
   x = 59,152.69