Finding the Fourth Proportional to 42,407,196.68, 63,603,222.10 and 11,283,032.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,407,196.68 : 63,603,222.10 = 11,283,032.72 : x
2. Step 2: Convert to fraction form
   42,407,196.68/63,603,222.10 = 11,283,032.72/x
3. Step 3: Cross multiply
   42,407,196.68x = 63,603,222.10 × 11,283,032.72
4. Step 4: Simplify right side
   42,407,196.68x = 717,637,236,051,727.12
5. Step 5: Solve for x
   x = 717,637,236,051,727.12/42,407,196.68
6. Step 6: Final answer
   x = 16,922,534.20