Finding the Fourth Proportional to 10,055,686.72, 13,877,139.68 and 5,472,303.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,055,686.72 : 13,877,139.68 = 5,472,303.68 : x
2. Step 2: Convert to fraction form
   10,055,686.72/13,877,139.68 = 5,472,303.68/x
3. Step 3: Cross multiply
   10,055,686.72x = 13,877,139.68 × 5,472,303.68
4. Step 4: Simplify right side
   10,055,686.72x = 75,939,922,538,738.02
5. Step 5: Solve for x
   x = 75,939,922,538,738.02/10,055,686.72
6. Step 6: Final answer
   x = 7,551,937.99