Finding the Fourth Proportional to 42,120,458.82, 63,180,688.22 and 10,207,754.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,120,458.82 : 63,180,688.22 = 10,207,754.82 : x
2. Step 2: Convert to fraction form
   42,120,458.82/63,180,688.22 = 10,207,754.82/x
3. Step 3: Cross multiply
   42,120,458.82x = 63,180,688.22 × 10,207,754.82
4. Step 4: Simplify right side
   42,120,458.82x = 644,932,974,657,583.50
5. Step 5: Solve for x
   x = 644,932,974,657,583.50/42,120,458.82
6. Step 6: Final answer
   x = 15,311,632.23