Finding the Fourth Proportional to 37,965,196.32, 52,391,926 and 20,561,531.36

Step by Step Solution

1. Step 1: Write the proportion equation
   37,965,196.32 : 52,391,926 = 20,561,531.36 : x
2. Step 2: Convert to fraction form
   37,965,196.32/52,391,926 = 20,561,531.36/x
3. Step 3: Cross multiply
   37,965,196.32x = 52,391,926 × 20,561,531.36
4. Step 4: Simplify right side
   37,965,196.32x = 1,077,258,229,459,799.38
5. Step 5: Solve for x
   x = 1,077,258,229,459,799.38/37,965,196.32
6. Step 6: Final answer
   x = 28,374,888.95