Finding the Fourth Proportional to 12,755,878.45, 19,133,888.15 and 3,171,256.99

Step by Step Solution

1. Step 1: Write the proportion equation
   12,755,878.45 : 19,133,888.15 = 3,171,256.99 : x
2. Step 2: Convert to fraction form
   12,755,878.45/19,133,888.15 = 3,171,256.99/x
3. Step 3: Cross multiply
   12,755,878.45x = 19,133,888.15 × 3,171,256.99
4. Step 4: Simplify right side
   12,755,878.45x = 60,678,476,541,565.67
5. Step 5: Solve for x
   x = 60,678,476,541,565.67/12,755,878.45
6. Step 6: Final answer
   x = 4,756,903.01