Finding the Fourth Proportional to 52,277,799.99, 78,420,445.37 and 13,939,113.27

Step by Step Solution

1. Step 1: Write the proportion equation
   52,277,799.99 : 78,420,445.37 = 13,939,113.27 : x
2. Step 2: Convert to fraction form
   52,277,799.99/78,420,445.37 = 13,939,113.27/x
3. Step 3: Cross multiply
   52,277,799.99x = 78,420,445.37 × 13,939,113.27
4. Step 4: Simplify right side
   52,277,799.99x = 1,093,111,470,626,581.38
5. Step 5: Solve for x
   x = 1,093,111,470,626,581.38/52,277,799.99
6. Step 6: Final answer
   x = 20,909,668.56