Finding the Fourth Proportional to 171,869,756.76, 257,802,109.16 and 42,477,377.99

Step by Step Solution

1. Step 1: Write the proportion equation
   171,869,756.76 : 257,802,109.16 = 42,477,377.99 : x
2. Step 2: Convert to fraction form
   171,869,756.76/257,802,109.16 = 42,477,377.99/x
3. Step 3: Cross multiply
   171,869,756.76x = 257,802,109.16 × 42,477,377.99
4. Step 4: Simplify right side
   171,869,756.76x = 10,950,757,635,907,164
5. Step 5: Solve for x
   x = 10,950,757,635,907,164/171,869,756.76
6. Step 6: Final answer
   x = 63,715,442.68