Finding the Fourth Proportional to 42,408,680.32, 63,554,167.51 and 19,323,196.97

Step by Step Solution

1. Step 1: Write the proportion equation
   42,408,680.32 : 63,554,167.51 = 19,323,196.97 : x
2. Step 2: Convert to fraction form
   42,408,680.32/63,554,167.51 = 19,323,196.97/x
3. Step 3: Cross multiply
   42,408,680.32x = 63,554,167.51 × 19,323,196.97
4. Step 4: Simplify right side
   42,408,680.32x = 1,228,069,697,060,104.25
5. Step 5: Solve for x
   x = 1,228,069,697,060,104.25/42,408,680.32
6. Step 6: Final answer
   x = 28,957,979.54