Finding the Fourth Proportional to 56,716,826.49, 78,268,821.71 and 30,962,714.49

Step by Step Solution

1. Step 1: Write the proportion equation
   56,716,826.49 : 78,268,821.71 = 30,962,714.49 : x
2. Step 2: Convert to fraction form
   56,716,826.49/78,268,821.71 = 30,962,714.49/x
3. Step 3: Cross multiply
   56,716,826.49x = 78,268,821.71 × 30,962,714.49
4. Step 4: Simplify right side
   56,716,826.49x = 2,423,415,179,920,630
5. Step 5: Solve for x
   x = 2,423,415,179,920,630/56,716,826.49
6. Step 6: Final answer
   x = 42,728,328.26