Finding the Fourth Proportional to 12,039,081.58, 18,058,573.72 and 4,360,929.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,039,081.58 : 18,058,573.72 = 4,360,929.31 : x
2. Step 2: Convert to fraction form
   12,039,081.58/18,058,573.72 = 4,360,929.31/x
3. Step 3: Cross multiply
   12,039,081.58x = 18,058,573.72 × 4,360,929.31
4. Step 4: Simplify right side
   12,039,081.58x = 78,752,163,432,343.72
5. Step 5: Solve for x
   x = 78,752,163,432,343.72/12,039,081.58
6. Step 6: Final answer
   x = 6,541,376.34