Finding the Fourth Proportional to 42,178,877.68, 63,267,725.88 and 16,620,108.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,178,877.68 : 63,267,725.88 = 16,620,108.52 : x
2. Step 2: Convert to fraction form
   42,178,877.68/63,267,725.88 = 16,620,108.52/x
3. Step 3: Cross multiply
   42,178,877.68x = 63,267,725.88 × 16,620,108.52
4. Step 4: Simplify right side
   42,178,877.68x = 1,051,516,469,939,212.50
5. Step 5: Solve for x
   x = 1,051,516,469,939,212.50/42,178,877.68
6. Step 6: Final answer
   x = 24,929,930.05