Finding the Fourth Proportional to 56,932,579.98, 78,566,993.55 and 30,827,109.42

Step by Step Solution

1. Step 1: Write the proportion equation
   56,932,579.98 : 78,566,993.55 = 30,827,109.42 : x
2. Step 2: Convert to fraction form
   56,932,579.98/78,566,993.55 = 30,827,109.42/x
3. Step 3: Cross multiply
   56,932,579.98x = 78,566,993.55 × 30,827,109.42
4. Step 4: Simplify right side
   56,932,579.98x = 2,421,993,306,966,284.50
5. Step 5: Solve for x
   x = 2,421,993,306,966,284.50/56,932,579.98
6. Step 6: Final answer
   x = 42,541,428.96