Finding the Fourth Proportional to 56,979,178.83, 78,631,336.27 and 30,873,676.07

Step by Step Solution

1. Step 1: Write the proportion equation
   56,979,178.83 : 78,631,336.27 = 30,873,676.07 : x
2. Step 2: Convert to fraction form
   56,979,178.83/78,631,336.27 = 30,873,676.07/x
3. Step 3: Cross multiply
   56,979,178.83x = 78,631,336.27 × 30,873,676.07
4. Step 4: Simplify right side
   56,979,178.83x = 2,427,638,405,186,392.50
5. Step 5: Solve for x
   x = 2,427,638,405,186,392.50/56,979,178.83
6. Step 6: Final answer
   x = 42,605,710.63